The correct answer is B. Evasive.
An evasive answer is one that avoids giving a direct answer to a question. It is often used to avoid taking a stand on an issue or to avoid giving away information.
A vague answer is one that is not clear or specific. It can be difficult to understand what the person is trying to say.
An ambiguous answer is one that has two or more possible meanings. It can be difficult to determine what the person is trying to say.
A complex answer is one that is difficult to understand because it is long or complicated. It can be difficult to follow the person’s train of thought.
In the given example, the officer is not willing to take a definite stand on the point. This suggests that the officer is trying to avoid taking a position on the issue. This is an example of an evasive answer.