That would be D because it creates a dramatic mood when it says were fulfilled in years to come.
The oxymorons in Romeo's dialogue emphasize the extreme emotions that he is feeling.
Oxymoron is a figure of speech in which two opposing things are brought into some kind of a connection. So, when Romeo speaks about things like love and hate, he is showing how strong his feelings are and how indecisive he is and how he doesn't know what he is supposed to do about that.
Why did Bilbo not kill Gollum?
Bilbo, who is still invisible, follows him, thereby discovering the way out. Gollum, who can smell Bilbo, blocks his way. Bilbo thinks of killing Gollum, but decides it would not be fair, because Bilbo is invisible and Gollum is unarmed.