need doing 和need to be done

题目

need doing 和need to be done
we've had a good start,but next,more work needs ___ to achieve the final succee.A.being done B.do C.to be done D.to do
need doing=need to be done.那为什么不选A.A要怎么改啊.

答案

need doing = need to be done
如果是need being done ,那这个语法就重复了.就错了!