A candy store sells some assorted candies. Each bag of assorted candies is made up of $2$ kilograms of toffee and $3$ kilograms of fruit drops. The price of toffee is $\textbackslash$6$ per kg, and the price of fruit drops is $\textbackslash$1$ per kg. How much is the cost of the assorted candies per kilogram? 
选项为:A:$$\textbackslash$2$$  B:$$\textbackslash$3$$  C:$$\textbackslash$5$$  D:$$\textbackslash$7$$  请回答其中一个选项.