Explanation:

The given question is incomplete and lacks context. Therefore, it is impossible to provide a detailed explanation without additional information. However, based on the options provided, option 'B' is the correct answer.

To provide a comprehensive explanation, it is important to understand the context and background of the given question. In the absence of this information, we can only assume that this question is related to a multiple-choice test or quiz.

Given below is a brief explanation of the different options and why option 'B' is the correct answer:

a) - This option does not provide any information or context. It cannot be considered as a valid answer.

b) - This option is marked as the correct answer. However, we do not know what the question was, and therefore, we cannot provide any specific explanation as to why this option is correct.

c) - This option does not provide any information or context. It cannot be considered as a valid answer.

d) - This option does not provide any information or context. It cannot be considered as a valid answer.

In conclusion, the question lacks context and additional information, making it difficult to provide a detailed explanation. However, based on the given options, we can assume that option 'B' is the correct answer.