I should say sorry to you but I ____trouble.    

A．did not mean causing

B．did not mean to cause

C．meant causing

D．meant to cause

右心衰竭时较早出现的临床表现是

A．上腹胀满

B．颈静脉充盈和怒张

C．肝大

D．对称性下肢凹陷性水肿

E．腹水