关于动脉瘤的临床特点，不正确的是（）.

A.外伤是最常见的病因

B.手术是动脉瘤唯一有效的治疗方法

C.最典型的临床表现是搏动性肿块和收缩期杂音

D.穿刺、X线、超声显像及动脉造影术均有助于疑难病例的诊断

E.多发性动脉瘤，包括伴广泛性动脉粥样硬化的患者均可手术治疗

— Iheard that there were a lot of shouts and screams at yesterday'sparty. It must have been terrible.    

— Oh, no. ____, I enjoyed every minute.    [ ]

A. In the end    

B. As a result    

C. On the other hand    

D. On the contrary