Question

Marry，for ___ life had once been very hard,was successful later.Awhom Bwhich Cwhose D that

正确的是选哪一项？

Answer 1

本题考查定语从句。
先行词为Mary，定语从句部分为：life had once been very hard for Mary，因此Mary在定语从句中作for的宾语，关系代词应该填whom。
如果选C，那变成for Mary's life had been very hard，但是for Mary's life是介词词组，不能担任主语，所以是错的。
综上，答案为A。

Answer 2

A，定语从句，从句实际上就是life had once been very hard for her,生活对她而言曾经非常困难。应该用whom 宾格形式。

Answer 3

应该选A，若用C，则把for 去掉

Answer 4

whom是正确的，life be hard for sb.

Answer 5

C：　whose