题干
-When did the couple die?
-It was on May 12 the earthquake hit WenChuan County.
-It was on May 12 the earthquake hit WenChuan County.
A：that
B：which
C：whe
D：what
答案(点此获取答案解析）
C
中的
和
都扩大3倍,那么分式的值是( )
