Answer:
When he drinks or when he plays his flute.
As far as I understood, your answer is the very last option
I would say B because through dialogue your character may express his or her feelings
The cold equations is one of the most famous science fiction short story made by Tom Godwin. I think the other title that could fit in this story is this one, "The unwanted loving cargo" because its all about a girl that is on board on a ship where pilot, Baron would come to a decision in jettisoned the girl in the atmosphere so make the mission successful. helpful