下列胎盘因素中哪项不会引起出血症状（）

A.胎盘剥离不全

B.胎盘全部粘连

C.胎盘嵌顿

D.胎盘部分植入

E.胎盘胎膜残留

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