She has a pen in one of her hands,but what's that in ______ hand?[ ]A.another B.the other C.other D.the others

She has a pen in one of her hands,but what's that in ______ hand?[ ]A.another B.the other C.other D.the others
She has a pen in one of her hands,but what's that in ______ hand?
[ ]
A.another
B.the other
C.other
D.the others

She has a pen in one of her hands,but what's that in ______ hand?[ ]A.another B.the other C.other D.the others
A,另一个