弱问一道题~~在线等答案~~

A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors:  blue, green, yellow, or pink.  The store packs the notepads in packages that contain either 3 notepads of the same size and the same color or 3 notepads of the same size and of

3 different colors.  If the order in which the colors are packed is not considered, how many different packages of the types described above are possible?

(A)  6

(B)  8

(C)  16

(D)  24

(E)  32

为什么选c

哦~我以为同种size,再相同颜色为不可能事件呢。。我理解成一种size只有不同颜色各一个呢。。哦哦哦。。明白了，谢谢亲