We appreciate your v_______ feedback.

• A. Valuable
• B. Verbal
• C. Vivid
• D. Various

Answer: (A)

The main idea here is choosing an adjective that conveys usefulness and importance of feedback. Saying “We appreciate your valuable feedback” is the natural way to express that the input is helpful and meaningful.

Using "verbal feedback" would shift the focus to how the feedback is delivered rather than its usefulness, which isn’t what the sentence intends. "Vivid feedback" would imply the feedback is particularly striking or detailed in a way that sounds unusual for this context. "Various feedback" doesn’t fit standard usage, since feedback is typically treated as uncountable; you’d say "various pieces of feedback" if you meant multiple inputs.

So the best fit is "valuable," giving a clear sense of the input’s worth and usefulness.