. Rather than on a crowded bus I always prefer an electric bicycle.A. ride ; rideB. rid

问题补充：

. Rather than on a crowded bus, I always prefer an electric 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： 考查句型：prefer to do rather than do sth 宁愿做某事而不原做什么事情，句意：我总是愿意骑电车也不愿意乘拥挤的公交车。故选C。