The commuting time for a student to travel from home to a college campus is normally distributed with a mean of 30 minutes and a standard deviation 5 minutes. If the student leaves home at 8:25 A.M. What is the probability that the student will arrive at the college campus later than 9 A.M.? 
选项为:A:$$0.16$$  B:$$0.32$$  C:$$0.50$$  D:$$0.84$$  E:$$1.00$$  请回答其中一个选项.