问题
选择题
It is recognized that the part ___ the UN plays in international relations is important.
A．in which
B．where
C．that
D．of which
答案
答案：C
题目分析：考查定语从句。the part是先行词，play a part in在......中扮演角色，定语从句缺少宾语，用that/which引导定语从句；A、B作状语，D作定语，相当于whose，排除A、B、D。故选C。