more careful, the work might have been done better.A. BeingB. Having beenC. If you had be

发布时间：2020-08-16 12:02:18


     more careful, the work might have been done better.
A. Being
B. Having been
C. If you had been
D. To have been

网友回答

A. Being
B. Having been
(答案→)C. If you had been
D. To have been
解析：考查if 的过去虚拟句。 If 后用had done, 主句用情态动词+have done
以上问题属网友观点，不代表本站立场，仅供参考！