The correct answer is A. develop the theme "death conquers all."
Hamlet's famous soliloquy while he is holding Yorick's skull serves the idea that death will come for us all, regardless of who we are. Regardless of whether we are famous and strong, or irrelevant and weak, we are all going to die. He mentions people such as Caesar and Alexander the Great, saying that even they couldn't escape death.
Well if you mean that they are in the same page in the dictionary than yes. but I would say that they are idioms. :) hoped that this helped. :)