As soon as Jack saw his new sports car he was eager to it .A. try; forB. try; onC. try; o

问题补充：

As soon as Jack saw his new sports car, he was eager to it .

A. try; for

B. try; on

C. try; out

D. try; in

答案：

A. try; for

B. try; on

(答案→)C. try; out

D. try; in

解析：句意，Jack一看到他的新跑车，他就渴望试一试。Try out（通过使用）检验，故选C。