问题
选择题
Some women ________ a good salary in a job instead of staying home, but they decided not to work for the sake of the family.
A．must make
B．should have made
C．would make
D．could have made
答案
D
could＋have done意为“本来能够做……（但实际没做）”是虚拟语气的一种用法。