Andrea needs an hour to get to the shopping center. If she leaves at $$4$$ PM, she gets there half an hour after the store closes. If she leaves at $$8$$ AM, she gets there half an hour before the store opens. What hours is the shopping center open? ($$2007$$ Math Kangaroo Problem, Level $$1-2$$, Question \#$$24$$) 
选项为:A:$$7^{30}$$ to $$4^{30}$$  B:$$8^{30}$$ to $$5^{30}$$  C:$$7^{30}$$ to $$5^{30}$$  D:$$8^{30}$$ to $$4^{30}$$  E:$$9^{30}$$ to $$4^{30}$$  请回答其中一个选项.