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

精神分析理论认为，梦的工作包括凝缩、置换、视象化和()

A．再修饰

B．抽象

C．转移

D．象征

E．放大