Are you a _____小题1:___(健康的) child? Bob, a 14-year-old boy, is very unhealthy. He likes to ____小题2:____(乘坐) his father’s car to school. Sometimes he goes to school by __小题3:_(地铁).  He does exercise only __小题4:__( 一次) a week. He likes eating ___小题5:__(垃圾) food very much. This week his parents are in Paris on ___小题6:_____(度假). So he eats lots of unhealthy food every day. Now Bob is badly__小题7:___(生病的) in hospital. The doctor says, “ You should ___小题8:___（经常）do exercise, and have a good _小题9:(饮食) habits. It’s ___小题10:____(重要的) for your health. 

6个月婴儿，呕吐，腹泻3天，排便10余次／日，呈蛋花汤样，有腥臭味，尿量极少，皮肤弹性差，前囟、眼窝明显凹陷，四肢厥冷。粪便镜检白细胞偶见。血清钠135mmol／L。

病原学诊断最可能是（）

A.金黄色葡萄球菌肠炎

B.难辨梭状芽孢杆菌肠炎

C.空肠弯曲菌肠炎

D.产毒型大肠埃希菌肠炎

E.白色念珠菌肠炎