There is a piece of wire. First, half of the piece is used. Then, half of the remaining piece is used. Next, $$16$$ meters are used. Finally, $$9$$ meters are left. The original piece of the wire is~\uline{~~~~~~~~~~}~meters long. 
选项为:A:$$36$$  B:$$50$$  C:$$64$$  D:$$100$$  请回答其中一个选项.