If you want to buy some medicine you can go to a A. cafeB. restaurantC. drugstore

问题补充：

If you want to buy some medicine, you can go to a .

A. cafeB. restaurantC. drugstore

答案：

解析：词义辨析。Café咖啡馆；restaurant餐馆；drugstore药店。句意：如果你想买药，你可以去药店。所以选C。