The correct answer to the given question is option 'C', which states that the main occupation of people in our country is agriculture. Let's discuss this answer in detail below:

Introduction:
In our country, the main occupation of people is agriculture. This means that a significant portion of the population is involved in activities related to farming and cultivation. Agriculture plays a crucial role in our country's economy and provides employment opportunities to a large number of people.

Reasons for Agriculture being the main occupation:

1. Climatic conditions: Our country has diverse climatic conditions, which are suitable for a wide range of agricultural activities. Different regions have different types of soil, temperature, and rainfall, making them ideal for the cultivation of various crops.

2. Large agricultural land: Our country has vast agricultural land, which allows for extensive farming practices. With a large population to feed, agriculture becomes a crucial sector to ensure food security and meet the demand for agricultural products.

3. Traditional practices: Agriculture has been a part of our country's culture and traditions for centuries. Many communities have traditionally practiced farming and passed down their knowledge and skills from generation to generation.

4. Dependency on agriculture: Many rural areas in our country heavily rely on agriculture for their livelihood. It provides them with a source of income, food, and other necessities. Therefore, people continue to engage in agricultural activities to sustain themselves and their families.

5. Government support: The government plays a significant role in promoting and supporting agriculture. Various schemes, subsidies, and incentives are provided to farmers to enhance agricultural productivity, improve infrastructure, and ensure the well-being of farming communities.

6. Export potential: Our country is known for its agricultural exports. It produces a variety of crops and agricultural products that are in high demand globally. This not only contributes to the country's economy but also creates employment opportunities in the agricultural sector.

Conclusion:
Considering the climatic conditions, the availability of agricultural land, traditional practices, people's dependency, government support, and export potential, it is evident that agriculture is the main occupation of people in our country. This sector not only provides livelihood opportunities but also contributes significantly to the overall development and growth of the nation.