It probably has something to do with how the moon goes around the earth due to the gravitational pull and how an apple falls because of gravity as well. Even though the moon isn't falling onto the earth, they are still both following a set of rules that have to do with gravity.
Which answer please explain well
I think B. She is curious but resistant at first, and then she begins to trust
would be the more appropriate answer
Entertainment would be the answer
Answer - Gerund, Hope this helps