If the car won’t start, it. A. try pushB. try pushingC. to try pushingD. to try to push

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A. try push
(答案→)B. try pushing
C. to try pushing
D. to try to push
解析：注意句首为if 引导的条件状语从句，填空句为祈使句，故第一个动词应是try，不应是 to try；另外，try doing sth 的意思是“做某事试试看有何效果”。