We have 3 rooms , but I can’t decide .
A. to live, to choose which one
B. lived, choose which one
C. to live in, which one to choose
D. live, which one
网友回答
A. to live, to choose which one
B. lived, choose which one
(答案→)C. to live in, which one to choose
D. live, which one
解析：动词不定式只能做后置定语.不能做前置定语。动词不定式与所修饰的词之间往往有动宾关系,如果该不定式是不及物动词,或者该不定式本身有宾语,后面应有必要的介词.live本身不能表示住在哪里，因此后面需要加上表示位置的介词，在……里面。因此选C。