The scale of a map is:~$\dfrac{3}{4}$ of an inch $$=10$$ miles. If the distance on the map between two towns is $$12$$ inches, the actual distance between the towns is． 
选项为:A:$$90$$ miles  B:$$120$$ miles  C:$$150$$ miles  D:$$160$$ miles  请回答其中一个选项.