题目内容：

here's a new pair of shoes for you thank you,but there's no need---a new pair for me
here's a new pair of shoes for you
thank you,but there's no need---a new pair for me
A.to have bought B.to buy C.buying D.to be buying
选什么,为什么

优质解答

A Need to do和 need doing都可以,没有语法错误.但根据本句意思可知,你本不需要买的.