$$150$$ students went to a $$\text{CCA}$$ fair and all of them at least tried out one activity. $$85$$ students tried out Sports activity. $$77$$ students tried out Art activity. How many students tried out both Sport activity and Art activities? 
选项为:A:$$11$$  B:$$12$$  C:$$13$$  D:$$14$$  请回答其中一个选项.