单项选择题
A．can only use their right bands B．can only use their left hands C．can't use their hands at all D．can use either hand to catch things
A．all the people are right-handed B．life is hard fbr left-handed people C．left-handed people can't live D．there is another left-handed world
A．are left-handed B．can use both hands equally well C．are right-handed D．like to use one hand more than the other