[单项选择]12岁男孩，患右侧腹股沟斜疝3年。最恰当的手术方式为（）
A. 单纯疝囊高位结扎术
B. 巴西尼（Bassini）法疝修补术
C. 佛格逊（Ferguson）法疝修补术
D. 麦克凡（McVay）法疝修补术
E. 疝成形术

In many business, computers have largely replaced paperwork, because they are fast, flexible, and do not make mistakes. As one banker said, "unlike humans, computers never have a bad day." And they are honest. Many banks advertise that their transactions(业务，事务)are "untouched by human hands" and therefore safe from human temptation. Obviously, computers have no reason to steal money. But they also have no conscience(良心) ,and the growing number of computer crimes shows they can be used to steal.
Computer criminals don’t use guns, and even if they are caught, it is hard to punish them because there are not witness and often no evidence. A computer can not remember who used it. It simply does what it is told. The head teller(银行的出纳员)at a New York City bank used a computer to steal more than one and a half billion dollars in just four years. No one noticed this theft because he moved the money from one account to another. Each time a customer he had ro
A. computer criminals don’t use weapons
B. computer criminals seldom leave any traces
C. computer forget who used them
D. computer simply do what they are told.

病历摘要:患者、男性，35岁，已婚。一年前可能因工作挫折致内心不愉快，经常忧虑，精神紧张，始后渐有失眠，每月有数次无明显诱因的阵发性强烈心慌、心悸、胸闷、呼吸不畅和莫名的恐惧感，伴面色苍白，持续数分钟至一小时不等。曾住某医院作全面检查，血压正常，EKG示“偶发性房性早搏”，脑CT、EEG、超声心动图、血糖、尿24小时17KS、VMA、儿茶酚胺均无阳性结果。患者偶感胃肠不适和腹痛伴腹泻，曾经心血管内科、神经内科、内分泌科会诊，均已初步排除该科明确疾病。但患者心境忧愁，自感身患重病，不敢远途出差，曾提出不担任领导职务。用过多种正规抗癫痫药治疗无效，连续服用阿米替林75mg／日，2周疗效亦不明显。追溯少年时已偶有易惊慌感，但学习、工作能力良好。无精神活性物质嗜癖史。