A store opens at 9 a.m. and closes at 5p.m. each day. It is closed from 11.55 a.m. to 12.55 p.m. for a lunch break. How many hours does the store stay open each day? 
选项为:A:$8$ hours and $5$ minutes  B:$$7$$ hours and $30$ minutes  C:$8$ hours  D:$7$ hours  E:$6$ hours  请回答其中一个选项.