---I haven’t seen Jack for three days, is he ill?

---_______. His mother told me that he was in hospital.

A．I am afraid so

B．I hope not

C．I don’t expect

D．I am afraid not

患者女性，38岁。心悸气促逐渐加重伴心前区疼痛半个月，午后低热。体温37.2～38.5℃，盗汗，听诊闻及心包摩擦音。

若患者呼吸困难加重，血压86/70mmHg，触及奇脉，心音低钝遥远，此时应采取的紧急措施是（）

A.心肺复苏术

B.大剂量利尿剂

C.心包穿刺术

D.硝酸甘油

E.急诊PCI术