David wants to prepare a meal with $$5$$ dishes using a stove with only $$2$$ burners. The times needed to cook the $$5$$ dishes are $$40$$ min, $$15$$ min, $$35$$ min, $$10$$ min and $$45$$ min. What is the shortest time in which he can do it? (He may only remove a dish from the stove when it is done cooking.) (2017 Math Kangaroo Problem, Level 3-4, Question \#15) 
选项为:A:$$60$$ min  B:$$70$$ min  C:$$75$$ min  D:$$80$$ min  E:$$85$$ min  请回答其中一个选项.