Jane plays football the best in our class, so if Jane were a boy, she ______ a member of our school

football team. [ ]

A. had been      

B. has been  

C. would be  

D. would have been

女性，26岁，10。天来全身皮肤出血点伴牙龈出血来诊。化验PLT 35×10⁹/L，临床诊断为慢性特发性血小板减少性紫癜 (ITP)。

下列支持ITP诊断的实验室检查是

A．凝血时间延长，凝血酶原时间延长

B．血块收缩良好，血小板功能正常

C．抗核抗体阳性，免疫球蛋白增高

D．骨髓巨核细胞增多，产板型增多

E．骨髓巨核细胞增多，幼稚、颗粒型增多