下列关于pH与pKa和药物解离的关系叙述哪项是错误的

A．pH＝pKa时，[HA]＝[A^-]

B．pKa即是弱酸或弱碱性药液50%解离时的pH值

C．pH的微小变化对药物的解离度影响不大

D．pH大于7.5的弱酸性药物在胃中基本不解离

E．pH小于5的弱碱性药物在肠道基本上都是解离型的

The young couple often quarrelled with each other about small things, which they couldn't    _ finally.      [ ]

A. put up with                  

B. keep up with      

C. end up with                  

D. come up with