问题
选择题
The hard-working peasants and their happy life _____ we saw in the countryside made a wonderful impression on us.
A．/
B．who
C．which
D．whom
答案
答案：A
先行词是the hard-working peasants and their happy life，既有人又有物，关系代词只能用that，又因为在定语从句中作saw的宾语，故可以省略。不管题干有多长，抓住主要成分将其简化，减小难度。