We used to have a lot of friends to ______, but now we don't have time to meet them ______. [ ]

A. chat with; any more

B. chat; any more

C. chat with; no more

D. chat; no more

下述哪些症状或体征会出现于急性心包炎（）

A.心包摩擦音

B.吸气时和平卧时胸骨后疼痛加重

C.第二心音逆分裂

D.发热、乏力

E.Ewart征