---You are late again! We _________you could attend the assembly on time.

---Sorry, I __________to my office to get my papers.

A．think, went

B．thought, have gone

C．think, were going

D．thought, went

特发性血小板减少性紫癜的实验室检查正确的是（）

A.骨髓巨核细胞成熟障碍

B.出血时间正常

C.血小板寿命缩短

D.凝血块回缩不良

E.血小板抗体阳性