Alex, John and Sam went to buy oranges. Alex paid $\textbackslash$20$, John paid $\textbackslash$15$, and Sam only paid $\textbackslash$5$. They bought 120 oranges altogether. They divided them in proportion to the amount of money each of them had paid. How many oranges did John get? 
选项为:A:$$15$$  B:$$30$$  C:$$45$$  D:$$60$$  E:None of the above  请回答其中一个选项.