What I would do is:
Evaluate the source. Is it from your own head/thoughts? Is it from your notes the teacher gave you? If it is, don't cite it.
Is the answer or source NOT from you and your own knowlege? Is it something that came from an external source, such as a book or website, cite it.
Better to cite than be accused of plagarism, so if you are unsure, I would cite it just to be safe.
Answer: Yes.
Explanation:
The ant was saved by the dove, and when the man was trying to catch the dove (who saved the ant), the ant stung him on the foot to save the dove.
By repeating the amount of time she has spent away from home
Answer:
A
Explanation:
As what motivates your character is their main characteristic because it is what gets them everything.