Explanation:

The question is incomplete as there is no context or information provided to choose the correct option. Hence, it is difficult to provide a specific answer to this question.

However, assuming that the question is related to UPSC exam preparation, the correct answer could be option 'B' as it might be the most appropriate answer based on the given context or information.

To provide a detailed explanation, we need more information about the question. However, in general, here are some tips for tackling UPSC questions:

1. Read the question carefully and understand what is being asked.
2. Analyze the options provided and eliminate the ones that are clearly incorrect.
3. If you are unsure about the answer, try to make an educated guess based on your knowledge and understanding of the topic.
4. Use past papers and mock tests to practice and improve your question-solving skills.

In conclusion, the correct answer to this question cannot be determined without additional information. However, the tips provided above should help you approach any UPSC question with confidence and improve your chances of getting the correct answer.