Answer:
Option D. Breathing deeply while paying attention to the sound of lights.
Reason:
- He is breathing deeply which is an action to calm oneself.
- Paying attention to the sound of lights has no relation with the speech.
I believe that it's metaphorical beauty. Like, he admires her so much that he sees her in that light. I'm not sure what book you're talking about, but it seems like an admiration more than anything.
I can't answer this without the whole poem