_________ happened to be no one in the building when the fire broke out.

_________ happened to be no one in the building when the fire broke out.

A.It

B.There

C.This

D.That

答案及解析： B

解析：

There was no one in the building when the fire broke out.Do you expect there to be a possibility that Palestine and Israel will make a peace agreement after Yasser Arafar died.