A bus was supposed to arrive at Think Station at $$5:30$$ PM, but it arrived $45$ minutes earlier by changing another route because of a traffic accident. When did the bus reach Think Station? 
选项为:A:$5:00$ PM  B:$4:30$ PM  C:$4:00$ PM  D:$5:30$ PM  E:$4:45$ PM  请回答其中一个选项.