Life is ten percent          happens to you and ninety percent         you respond to it.[ ]

A. which；how

B. what；what

C. that；that

D. what；how

确诊胃肠道穿孔最主要的诊断依据是（）

A.腹水征

B.胸腹透视膈下游离气体

C.腹部疼痛

D.腹部触痛

E.肝界缩小