This is an example of dramatic irony. Only the readers of the poem are aware of how the character in the poem feels because she is thinking to herself. She is comparing how she sees the night sky as beautiful, but it is somebody else's tragedy.
Since extensive writing is one that that is meant to be shared, you would pick an answer that you would be able to share and isnt personal. eliminate all three options except the one in which it isnt personal and you wouldnt mind it being shared. so writing an essay on a research topic is the answer.<span />