If he _____ his legs in the last training, he _____ the coming World Cup, which he has been longing to compete in.

A．hadn’t hurt; would join in

B．hadn’t hurt; would have taken part in

C．didn’t hurt; would go in for

D．didn’t hurt; would have taken part in

创建一个名为student的新类，保存新类的类库名称是mylib，新类的父类是Person，正确的命令是( )。

A．CREATE CLASS mylib OF student As PerSon

B．CREATE CLASS studem OF Pemon As mylib

C．CREATE CLASS Student OF mylib As PerSon

D．CREATE CLASS Person OF mylib As student