In many ways on a bike is similar to a car .A. to riding; drivingB. to ride; driving C.

问题补充：

In many ways, on a bike is similar to a car .

A. to riding; driving

B. to ride; driving

C. ride; drive

D. riding; driving

答案：

A. to riding; driving

B. to ride; driving

C. ride; drive

(答案→)D. riding; driving

解析：本题考查非谓语动词。be similar to 与……相似。to是介词，后接doing形式；结合句意：“在许多方面，骑自行车与开车相似”可知说的一般情况，故第一个空用doing作主语。