Harry has $11$ dollars. He is going to buy $3$ footballs which cost $1.5$ dollars each and a certain number of~ basketballs which cost $2.5$ dollars each. How many basketballs at most can he buy? 
选项为:A:$$1$$  B:$$2$$  C:$$3$$  D:$$4$$  E:$$5$$  请回答其中一个选项.