A、  B、  C、  C(A)因为题干不是对方拜托事情的内容，所以该选项错误。(B)虽然反复使用了题干中出现的单词。但是内容上没有任何联系，所以错误。(C)该选项的意思是不需要再练习了。所以正确。

How many branches does your company have?
(A)Only one, but it’s very large.
(B)The branches have been cut down.
(C)Once a month.

Should I practice one more time with Bob before the performance?
(A)Okay, I will do it.
(B)The performance was great.
(C)I don’t think you need to.