A city has a bicycle hire scheme where it is possible to hire a bicycle for short journeys.  Last year I hired a bicycle $$60$$ times and rode for $$13$$ hours altogether.  For how long on average did I hire the bicycle on each ride? 
选项为:A:$$13$$ minutes  B:$$23$$ minutes  C:$$39$$ minutes  D:$$47$$ minutes  E:$$73$$ minutes  请回答其中一个选项.