The given question does not provide any specific options or context, making it difficult to determine the correct answer. However, based on the given instruction, we can assume that the correct answer is option 'D'. Let's explore the possible explanations for this choice.

Explanation:

- Option 'A': Since no information is provided about option 'A', we cannot determine if it is the correct answer or not. Without any context, it is impossible to evaluate this option.

- Option 'B': Similar to option 'A', no information is given about option 'B'. Therefore, we cannot determine if it is the correct answer or not.

- Option 'C': Again, without any context or information about option 'C', it is impossible to evaluate if it is the correct answer or not.

- Option 'D': As per the given instruction, the correct answer is option 'D'. However, without any context or details about the question, we cannot provide a specific explanation as to why option 'D' is correct.

In conclusion, without any context or specific information about the question, it is impossible to provide a detailed explanation for why option 'D' is the correct answer. It is important to have more information in order to accurately evaluate and choose the correct option.