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【单选题】
患者女性，27岁，1年前因急性化脓性阑尾炎行阑尾切除术，术后伤口愈合良好。1患者出现下腹胀痛，2天未排大便，偶有排气，无尿频、尿急、尿痛。体温38℃，腹稍胀，下腹轻压痛，无反跳痛及肌紧张。目前患者需进行的治疗是（）
A.
给予抗感染及补充电解质治疗
B.
开腹探查，癌变肠段切除术
C.
立即手术解除梗阻
D.
禁食、输液、胃肠减压
E.
饮食调节，通便治疗
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