At first, I tried to ignore the "dress-down"rule by simply _____ in my suit as usual. [ ]

A. dressing up  

B. showing off  

C. turning up    

D. ending up

消化性溃疡病人宜少量多餐：少量是指每餐不要过饱，以免（）过度扩张而刺激胃酸分泌；多餐在于补充少量之不足，每日进餐（）次，并定时进食，使胃酸分泌有规律。