In a riding competition, the horses started at three-minute intervals.  The first horse started at $$10:45$$.  The $$18\text{th}$$ horse took $$13$$ minutes to complete the course.  At what time did the $$18\text{th}$$ horse finish? 
选项为:A:$$11:12$$  B:$$11:49$$  C:$$11:36$$  D:$$11:52$$  E:$$11:09$$  请回答其中一个选项.