题目内容：

-Which hair band do you like best,madam?
-I can't decide now.I really don't know ( ).
A、to choose which one
B、choose which one
C、which one to choose
D、which one I should choose it

优质解答

C、which one to choose

追问：

为什么？讲讲

追答：

不知道，看到就知道答案了！ -Which hair band do you like best,madam? 夫人，您最喜欢那款发带？ -I can't decide now.I really don't know ( ). 我现在不能决定。我真的不知道选哪个。 缺宾语，which one 作宾语，to choose 不定式修饰宾语 A、to choose which one B、choose which one C、which one to choose D、which one I should choose it