[单选题]
If you exert a force F on an object, tt2a b0 uqrzxky 9zv/pycv(;y7/) f ,pnhe force which the objec9bkpd - xk1kt:t exerts on you wil:b9p -kkxtkd 1l
A. depend on whether or not the object is moving.
B. depend on whether or not you are moving.
C. depend on the relative masses of you and the object.
D. always be F.
