下列for循环语句的执行次数是（ ）。　　　　for(intx=0，y=0；(y!=0) ＆＆ x<4)；x++)

A．无限次

B．一次也不执行

C．执行一次

D．执行三次

If I           you, I           a motorbike.[ ]

A. was, would buy

B. were, bought

C. were, would buy

D. was, bought