________ before we depart the day after tomorrow,we should have a wonderful dinner party.

问题描述:

________ before we depart the day after tomorrow,we should have a wonderful dinner party.
A) Had they arrived
B) Would they arrive
C) Were they arriving
D) Were they to arrive

如果他们后天来,我们本可以有一个不错的晚宴
the day after tomorrow表示将来时,我觉得选D