In the exchange of populations, what is the ethical dilemma that the secretary trapped into?

A.His repetition of the old man’s order leads to the death of the girls.

B.His obedience and defiance of order is the determining factor of the girls’ lives.

C.His guilt of causing the death of the girls and the urge to save his own skin.

D.His guilt of releasing the girls or killing them.

正确答案：B