问题
nchuan earthquake in 2008 is believed______ more than 90,000 people and made thousands homeless, _________ itperhaps the most destroying earthquake in history
A:stole, set
B:had stolen, be set
C:steal, be set
D:had stolen； must be set
B:had stolen, be set
C:steal, be set
D:had stolen； must be set
正确答案是：
