There are different types of questions that can be asked in a multiple-choice format. Let's break down why option 'B' is the correct answer for this question.

- Explanation:

- **Understanding the question**: The question asks for the correct option among a), b), c), and d). This indicates that only one option is correct.

- **Process of elimination**: To determine the correct answer, you can go through each option carefully and eliminate the ones that are obviously incorrect.

- **Analysis of options**:

- Option 'a': This option could be incorrect for various reasons such as being factually incorrect, not relevant to the question, or inconsistent with the given information.

- Option 'c': Similarly, this option might be incorrect upon closer examination.

- Option 'd': This option could also be eliminated based on the same criteria.

- **Selection of the correct answer**:

- Option 'b': After analyzing all options, 'B' emerges as the most suitable choice based on the information provided in the question.

By following a logical process of elimination and careful consideration of each option, you can arrive at the correct answer. In this case, option 'B' aligns with the criteria set forth in the question and is, therefore, the correct choice.