问题补充:
She prefers her clothes by hands rather than by machine.
A. having washed
B. washing
C. being washed
D. to wash
答案:
A. having washed
B. washing
C. being washed
(答案→)D. to wash
解析:考查固定句型:prefer to do sth rather than do sth 宁愿做某事,而不愿做某事,句意:她宁愿用手洗衣服也不愿意用洗衣机。所以选D。