Here are your glasses.Please_________.A put on them B put it on C put them on

C
glasses, 眼镜, 是算作复数形式的
所以要对应them
put on是不及物动词+介词短语, 当它与人称代词搭配的时候, 需要把人称代词 them 放到动词和介词之间
所以只能说put them on
如果是个名词, 或者名词短语就无所谓了
put on the glasses
或者put the glasses on
都是对的