D: the answer that makes the most sense is gratify
I think the answer is all
(d.) The setting gives an idea about time and place.
Answer:
She is usually very circumspect as she investigates, and no one knows she is even there.
Explanation:
to be circumspect means to be cautious and wary, unwilling to take risks.
The dog ate so much that she became very circumspect.
could also be a valid answer