题目内容：

this is the man_____last night
Awhom I saw him Bwho I saw Cwhich I saw Dwho I saw him

优质解答

选b
a 错在 whom 已在定语从句作saw的宾语,him 多余了,应去掉.
c 错在 先行词是人,不能用which引导
d 也错在 who 已在定语从句作saw的宾语,him 多余,该去掉