I apologize, but it seems like the question you provided is incomplete. It does not provide any context or information for us to determine the correct answer. In order to provide a detailed explanation, I would need more information about the question and its options.

However, I can provide you with some general tips on how to approach multiple-choice questions in the UPSC exam:

1. Read the question carefully: Make sure you understand what is being asked before looking at the options. Pay attention to any keywords or phrases that may provide clues or context.

2. Eliminate incorrect options: Go through each option and eliminate any choices that are obviously incorrect. This can help narrow down your choices and increase your chances of selecting the correct answer.

3. Use the process of elimination: If you are unsure about the correct answer, try to eliminate as many incorrect options as possible. This can help you make an educated guess or increase your chances of selecting the correct answer.

4. Look for clues in the question and options: Sometimes, the question or the options themselves may provide clues to the correct answer. Look for keywords, phrases, or patterns that may help you identify the correct option.

5. Use your knowledge and reasoning skills: Draw upon your knowledge of the subject matter and use your reasoning skills to analyze the question and options. Think critically about each option and choose the one that makes the most sense based on your understanding of the topic.

Remember, it is important to thoroughly prepare for the UPSC exam by studying the relevant subjects and practicing with previous years' question papers. This will help you become familiar with the format of the exam and develop effective strategies for answering multiple-choice questions.