the doctor gave me some medicine,_______three times a day before meals

问题描述:

the doctor gave me some medicine,_______three times a day before meals
A.to take B.to be taking C.to be taken D.I took it

选C
这是个定语从句,完整的应该是
the doctor gave me some medicine,which is to be taken three times a day before meals.
药是被吃的,所以take 要用被动