Explanation:

The correct answer to the given question is option 'C'. Let us understand the reasoning behind this answer in detail.

Identifying the category:
The question belongs to the UPSC category, which typically tests the knowledge and understanding of various subjects including history, geography, science, economics, and more.

Understanding the question:
The question is asking for the correct option among the given choices. To determine the correct answer, we need to analyze each option and choose the one that best fits the given information or context.

Analysis of options:
a) This option is not the correct answer because it does not provide any specific information or reasoning related to the question.

b) Similarly, this option does not provide any relevant information or explanation to support it as the correct answer.

c) This option is the correct answer because it mentions that the correct option is option 'C'. It directly addresses the question and provides the correct information.

d) This option is also incorrect as it does not provide any explanation or reasoning to support it as the correct answer.

Conclusion:
After carefully analyzing each option, it is clear that option 'C' is the correct answer as it directly states that it is the correct option. Therefore, option 'C' is the correct answer to the given question.