I______you a beautiful present for your birthday,but I was short of money at that time.

A．would buy

B．had bought

C．would like to have bought

D．must have bought

男，45岁，急性胰腺炎，静脉应用广谱抗生素非手术治疗1周后，腹痛、腹胀加重，体温再度升高。

若腹腔穿刺涂片查出大肠杆菌时，应选择的治疗措施是（）。

A．加用甲硝唑静脉点滴

B．甲硝唑和广谱抗生素腹腔灌洗

C．急诊行剖腹外引流手术

D．急诊行剖腹内引流手术

E．西药静脉点滴+中药胃管内滴注