— Hey, you haven't been acting like yourself. Everything is OK?

—         . [ ]

A. I'm fine, thanks

B. Sure, it is  

C. That's good      

D. It's OK

十二指肠内脂肪酸抑制胃液分泌主要通过

A．肠抑胃素

B．迷走-迷走反射

C．促胃液素

D．促胰液素

E．肠-胃反射