___ was very rich,he never helped the poor.

问题描述:

___ was very rich,he never helped the poor.
A Because B when C if D while
应该是B,C中的一个,是哪个?
说错了 B ,D 中的一个.

D 尽管他很富有,但是他从来不帮助穷人 这时的while相当于thought/althought 翻译成虽然的意思