B) to refer to a story that audiences are familiar with
Inferred is another word of saying "taken to perspective" or "interpreted as...".
Hidden meanings or messages are meant to be figured out and used to help you in future situations.
So, I would say:
a. True!
D. ancestors. the indirect object precedes the direct object and tells to whom or for whom the action of the verb is done and who is receiving the direct object.