Kathy told me that all the doors and windows when she arrived this morning.
A. have cleaned
B. have been cleaned
C. had cleaned
D. had been cleaned
网友回答
A. have cleaned
B. have been cleaned
C. had cleaned
(答案→)D. had been cleaned
解析：考查时态语态，句意是：kathy告诉我当她今天早上到的时候，所有的门窗都檫干净了。说明门窗是在她到之前就被檫干净了。选D。