To celebrate her mother's birthday,she prepared ---- drink a

To celebrate her mother's birthday,she prepared ____ drink and cakes,sharing with neighbors.
A.a large number of B.a great deal of C.a large quantity of D.a great many
为什么?是因为c既可以修饰可数有可以修饰不可数吗
drink不可,cakes 可.
这个语法点没学过,只能通过答案来猜