Two friends, Andy and Bob, participate in a game of bowling every week. From past experiences, it is known that both friends \textquotesingle scores are approximately normally distributed, where Andy has a mean score of 150 with a standard deviation of 30, and Bob has a mean score of 165 with a standard deviation of 15. Assuming that their scores are independent, which of the following values is closest to the probability that Andy will have a greater score than Bob in single game? 
选项为:A:$$0.16$$  B:$$0.28$$  C:$$0.31$$  D:$$0.33$$  E:$$0.37$$  请回答其中一个选项.