There is a lot of_____in the box.a.cake b.milk c.bags of cakes d.bags of milk 答案选b但我觉得四者都能说通呀.箱子里有许多装着牛奶（蛋糕）的盒子不行吗？

There is a lot of_____in the box.a.cake b.milk c.bags of cakes d.bags of milk 答案选b但我觉得四者都能说通呀.箱子里有许多装着牛奶（蛋糕）的盒子不行吗？
There is a lot of_____in the box.a.cake b.milk c.bags of cakes d.bags of milk 答案选b但我觉得四者都能说通呀.
箱子里有许多装着牛奶（蛋糕）的盒子不行吗？

There is a lot of_____in the box.a.cake b.milk c.bags of cakes d.bags of milk 答案选b但我觉得四者都能说通呀.箱子里有许多装着牛奶（蛋糕）的盒子不行吗？
首先A是肯定错误的,a lot of cakes
对于C,D,如果要使用bags,正确应用应该是：There are many bags of cakes(milk)

A

应该选B。因为A必须使用复数形式才符合要求，C和D中的BAG不应该使用复数形式，单数即可表达完整意思。