Peter bought three apples of $5$ dollars, and $4$ bananas of $4$ dollars. How much did he spend in total?~(adapted from $$2011$$ Math kangaroo Problems, Level $$1-2$$, Question \#$$7$$) 
选项为:A:$$6$$ dollars  B:$$7$$ dollars  C:$$8$$ dollars  D:$$9$$ dollars  E:$$10$$ dollars  请回答其中一个选项.