Danby left word with my secretary he would call again in the afternoon. A. whoB. thatC. a

问题补充：

Danby left word with my secretary he would call again in the afternoon.

A. who

B. that

C. as

D. which

答案：

A. who

(答案→)B. that

C. as

D. which

解析：主要测试同位语从句。有句子的语境可知 he would call again in the afternoon的意思既是word的内容，同时从句中又不缺少句子成分，因此只需引导词that。句子意思：黛比给我的秘书留下口信：下午他将再打电话过来。