A、4时40分
B、4时45<img width="19" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/35240f74-3122-4af5-bdc6-edb63ef0030b.png" />分
C、4时54<img width="19" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/95c60de8-433b-4115-8565-0b44d663edaf.png" />分
D、4时57分
B、4时45<img width="19" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/6169478f-72e1-46e8-9e42-c94c85d58cd2.png" />分
C、4时54<img width="19" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/f42b5ef8-7db9-40b1-9044-0fb67ad39fba.png" />分