The correct answer is option 'C', which states that work specialization was an early key management idea that pre-dated the work of Frederick Taylor and Max Weber. Work specialization refers to dividing work tasks into smaller and more specialized components.

Explanation:
1. Early Origins of Work Specialization:
- Work specialization can be traced back to the early stages of human civilization when different members of a community or tribe would specialize in specific tasks based on their skills and abilities.
- For example, in hunter-gatherer societies, some individuals specialized in hunting, while others specialized in gathering food or making tools.

2. Pre-dating Frederick Taylor and Max Weber:
- Frederick Taylor, known as the "father of scientific management," and Max Weber, a sociologist, made significant contributions to management theory in the late 19th and early 20th centuries.
- However, the concept of work specialization existed even before their time.

3. The Industrial Revolution:
- The Industrial Revolution, which began in the late 18th century, marked a significant shift in the organization of work.
- With the rise of factories and mass production, work specialization became more prevalent as tasks were divided into smaller, repetitive units.
- This division of labor allowed for increased efficiency and productivity.

4. Adam Smith and Division of Labor:
- The idea of work specialization was also discussed by economists like Adam Smith in the 18th century.
- Smith argued that by dividing labor into smaller tasks, individuals could become more skilled and efficient in their specialized areas, leading to overall economic growth.

5. Benefits of Work Specialization:
- Work specialization offers several advantages, such as increased productivity, improved efficiency, and the ability to develop specialized skills.
- By focusing on specific tasks, individuals can become experts in their field, leading to higher quality output.
- It also enables organizations to streamline processes, reduce costs, and achieve economies of scale.

6. Criticisms of Work Specialization:
- While work specialization has its benefits, it also has some drawbacks.
- It can lead to monotony and boredom for workers who perform the same repetitive tasks.
- Additionally, excessive specialization may limit an individual's ability to perform other roles or adapt to changes in the workplace.

In conclusion, work specialization was an early key management idea that pre-dated the work of Frederick Taylor and Max Weber. It emerged during the Industrial Revolution and has since become a fundamental aspect of organizational design and efficiency.

Work specialization enhances the knowledge of employment because by doing same type of work again and again they. will be become master of that work so it was an early key of management idea predating the work of f.taylor and Max waber