The bike hire system will______.A.be expanded to serve the 2012 Olympic GamesB.be provided

The bike hire system will______.

A．be expanded to serve the 2012 Olympic Games

B．be provided free for the 2012 Olympic athletes

C．benefit from the 2012 Olympic Games．

D．be free of charge for the 2012 Olympic visitors

请帮忙给出正确答案和分析，谢谢！