A certain restaurant offers 6 kinds of cheese and 2 kinds of fruit for its dessert platter. If each dessert platter contains an equal number of kinds of cheese and kinds of fruit, how many different dessert platters could the restaurant offer?
A. 8
B.12
C.15
D.21
E.27
(PS:概率题总是不会写,求大神指点做题技巧)