男性，68岁。阵发性腹痛、腹胀，肛门停止排气、排便1天。6年前因急性坏疽性阑尾炎穿孔作过手术。查体：腹胀明显，可见肠型，腹软，全腹稍压痛，无反跳痛，肠鸣音亢进，腹部平片示中下腹部小肠有多个气液平面。盲肠、升结肠均充气扩张。下述诊断哪项最有可能（）

A、Unclear about how rules of use can be taught
B、Difficult to tailor syllabus to students’ needs
C、Fossilization of learners’ errors
D、Unfriendly relationships between teachers and students

A.限制土地兼并，削弱豪强势力
B.官民相互揭发，败坏社会风气
C.利于反腐惩恶，稳定社会秩序