Rather than on a crowded bus he always prefers 　a bicycleA. ride; ride　B. riding; rideC.

问题补充：

Rather than on a crowded bus, he always prefers a bicycle

A. ride; ride

B. riding; ride

C. ride; to ride

D. to ride; riding

答案：

A. ride; ride

B. riding; ride

(答案→)C. ride; to ride

D. to ride; riding

解析：句意：他喜欢骑自行车，而不是乘坐拥挤的公交车。这里是prefer to do …rather than do…喜欢做某事而不喜欢做另一事，这里只不过把rather than…放在了句首，故选C。