--I can't find Mr. Smith.--It was in the hotel he stayed.A. thatB. whereC. whichD. since

问题补充：

--I can find Mr. Smith.

--It was in the hotel he stayed.

A. that

B. where

C. which

D. since

答案：

A. that

(答案→)B. where

C. which

D. since

解析：本题是定语从句的考查。考生一定要注意不能和强调句混淆。因为本题中的it是用于上个问句的回答，不是用于强调句的起首。