Answer:
D
Explanation:
A and B don't make sense. It wouldn't be a question or an incomplete sentence.
C and D make sense BUT the answer has to be in the past tense since the rest of the story is talking about it in the past tense.
Answer: what do you need help with?
Explanation: cougar is a wild cat.
That sentence is written in the indicative mood because that is just someone's opinion