These examples show that all individuals，      they are rich or poor，should be responsible        they are involved in law．

A．if；when

B．if；as long as．

C．whether；as long as

D．whether；since

大量不保留灌肠的目的不包括()

A．解除便秘、肠胀气

B．治疗肠道疾病

C．清洁肠道

D．稀释并清除肠道内的有害物质

E．为高热病人降温