重症胰腺炎的手术治疗原则中不包括( )
A．胰腺穿刺
B．坏死组织清除术
C．胰周引流术
D．规则性胰腺切除术
E．三腔造瘘
参考答案：A
183. Hearing the funny speech given by the famous professor, all of us burst into _____.
A．laughed
B．laughter
C．laughing
D．Laugh
