问题补充:
They preferred rather than a bike.
A. to walk, ride
B. walking, riding
C. to walk, riding
D. to walk, to ride
答案:
(答案→)A. to walk, ride
B. walking, riding
C. to walk, riding
D. to walk, to ride
解析:A 考查prefer的用法。prefer to do sth. rather than do sth.“宁愿做......而不愿做......”。另外一种用法是:prefer doing sth. to doing sth.答案选A。