David is such a good boy all the teachers like him.A. likeB. thatC. whichD. as

问题补充：

David is such a good boy all the teachers like him.

A. like

B. that

C. which

D. as

答案：

A. like

(答案→)B. that

C. which

D. as

解析：考查定语从句。从句不缺少句子成分，引导词指代前文整句话，as做引导词一般放于句首，故用that做引导词。选B。