10Look that old building over there._______.AI think there isn't somebody in it.BI think there isn't anybody in it.CI don't think there is some body in it.DI don't think there is anybody in it.
问题描述：
10Look that old building over there._______.
AI think there isn't somebody in it.
BI think there isn't anybody in it.
CI don't think there is some body in it.
DI don't think there is anybody in it.
答