I had Helen's brother the windows, but Helen had them instead.
A. to clean； cleaned
B. cleaned； cleaned
C. cleaning； cleaned
D. clean； cleaned
网友回答
A. to clean； cleaned
B. cleaned； cleaned
C. cleaning； cleaned
(答案→)D. clean； cleaned
解析： have sb. do表示“让某人做某事”；have sth. done表示“让……被……”。