单项选择题
A．they think mobiles are fun B．they believe mobiles are safe C．they love to listen to music D．they feel it easier to talk to each other
A．the ancient athletes liked to celebrate their victories B．free dinners were offered during the competition C．city-states competed with each other to win the Olympics D．awards were often stolen to honor the athletes
A．completed in a 200-meter race B．wrestled with each other C．read the accounts of the games D．received the treatment of free dinners