There is something on the floorPlease( )A pick it upB pick them up

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There is something on the floorPlease( )A pick it upB pick them up

There is something on the floorPlease( )A pick it upB pick them up
There is something on the floor
Please( )
A pick it up
B pick them up

There is something on the floorPlease( )A pick it upB pick them up
选A
因为something是不定代词
it充当了这个成分
而them就有所特指
还有一点就是
假如地上就只有1个东西
显然排除them
因此从这个角度看them也不能选

A

a