Danby left word with my secretary he would call again in the afternoon.
A. who
B. that
C. as
D. which
网友回答
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。