Where to hold the 2012 Olympic Games was a subject the Olympic Committee argued for a long time, and finally they voted for London.
A. of which
B. with which
C. about which
D. into which
网友回答
A. of which
B. with which
(答案→)C. about which
D. into which
解析：定语从句考查题。先行词a subject关系词which 要做argue about 的宾语。句意：在哪里举办2012奥运会是一个话题，就这个话题奥委会争论了很长时间最终决定选伦敦。