—Why are the tax collectors so busy?
—Many people prefer to have their tax forms pleted by a professional rather than .
A. do it themselves
B. doing it themselves
C. to do it themselves
D. done by themselves
网友回答
(答案→)A. do it themselves
B. doing it themselves
C. to do it themselves
D. done by themselves
解析：
考查固定结构。prefer to…rather than…意为“宁愿……不愿……”，其后接动词原形。