About of the workers in that factory are young people. A．second?thirds B．two?thr

About________of the workers in that factory are young people.

A．second?thirds B．two?threes C．two?thirds D．two?third

C

句意：“那个工厂大约三分之二的工人是年轻人。”考查分数作主语后跟可数名词，谓语用复数，故答案是C。