What dilemma did Elie face when the camp was being evacuated?

a
All responses are correct.
b
He had the opportunity to stay in the infirmary but didn't want to be separated from his father.
c
He had the opportunity to stay in the infirmary, but he didn't know if would be more dangerous to stay.
d
He wanted to leave with his father but had an open wound on his foot that made it difficult to walk.