Zachary left a birthday party at $$2.05$$ p.m.  He was at the party for $$3$$ h $$15$$ min.  At what time did he arrive at the party? 
选项为:A:$$5.20$$ a.m.  B:$$10.50$$ a.m.  C:$$5.20$$ p.m.  D:$$10.50$$ p.m.  请回答其中一个选项.