The given question does not provide any specific information or context, which makes it difficult to provide a detailed answer. However, I can give a general explanation on how to approach solving multiple-choice questions.

When answering multiple-choice questions, it is important to carefully read and understand the question. Make sure to read all the options before selecting the correct answer. Here are some steps to follow when answering multiple-choice questions:

1. Read the question carefully: Understand what the question is asking and what information is provided.

2. Analyze each option: Read all the options and eliminate any obvious wrong answers. Pay attention to any keywords or phrases that may help guide you to the correct answer.

3. Identify key information: Look for any important details or keywords in the question that may help you narrow down the choices.

4. Use the process of elimination: Cross out any options that you know are incorrect. This will increase your chances of selecting the correct answer.

5. Consider all options: After eliminating obvious wrong answers, carefully evaluate the remaining options. Compare them to the information provided in the question and choose the best answer.

6. Review your answer: Before submitting your answer, take a moment to review your choice and make sure it aligns with the question.

In the given question, the correct answer is stated as option 'B', but without any context or options provided, it is not possible to explain why option 'B' is correct. It is important to analyze the specific question and options given to determine the correct answer.

Remember, when answering multiple-choice questions, it is crucial to carefully read and understand the question, analyze all the options, and use the process of elimination to choose the best answer.