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.