I'm guessing that it's "A" because that's the most obvious answer.
However, without having read the entire story, I'm not sure if it isn't "D". You have to look at the context of their relationship to see if maybe Robert is second-guessing himself...and that takes more than a few sentences to determine.
The pusle of morning is when something in your life gooes wrong and you morn over it for a long time
1.speaker
2.meter
3.enjambment
4. quatrain
5.couplet
6.prosody
7.free verse
8.blank verse