Part A: D.
Meaning of allusion:allusion refers to something that is in both reality and fiction. for example, a book mentions Mona Lisa. it is an allusion because it's referring to something that is in reality in a book.
Part B: A
Answer:
When Charlie asks about Willy Wonka's chocolate factory, Grandpa Joe tells him lots of stories, including the one about Prince Pondicherry. He also tells Charlie about the spies, and those mysterious workers who never leave the factory.
Explanation:
A the phrase is out of the oven