Tony was very unhappy for    to the party.[ ]

A. have not been invited            

B. not having invited

C. having not invited              

D. not having been invited

原发性血小板减少性紫癜患者可出现（）

A.血块收缩异常

B.3P试验阳性

C.KPTT延长

D.血小板相关抗体阳性

E.束臂试验阳性