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

( )是证券经纪业务营销的关键环节。

A．目标市场选择

B．营销渠道选择

C．客户促成

D．客户关系建立