There is an empty tank which needs $29$ bottles of water to fill with. The workers pour $5$ bottles of water during the day, but uses $1$ bottle of water during the night. In how many days can the tank be filled with water? 
选项为:A:$$5$$  B:$$6$$  C:$$7$$  D:$$8$$  E:$$9$$  请回答其中一个选项.