To make a pudding, you need $$2$$ ounces of flour and $$10$$ ounces of milk. You have $$10$$ ounces of flour and want to make as many puddings as possible. How much milk do you need? 
选项为:A:$$20$$ ounces  B:$$30$$ ounces  C:$$40$$ ounces  D:$$50$$ ounces  E:$$60$$ ounces  请回答其中一个选项.