卫生湿巾的卫生要求是（）

A.符合《一次性使用卫生用品卫生标准》（GB15979-2002）中微生物学指标

B.对大肠杆菌和金黄色葡萄球菌的杀灭率≥90%

C.如标注对真菌有作用的，应对白念珠菌的杀灭率≥90%

D.杀菌作用在室温下至少保持1年

E.符合以上全部指标

Of the following signs and symptoms of bowel obstruction, which is related primarily to small bowel obstruction rather than large bowel obstruction

A．Profuse vomiting.

B．Cramping abdominal pain.

C．Abdominal distention.

D．High-pitched bowel sounds above the obstruction.