[单选题]
If you exert a force F on an object, the fyuhnq: hk14 7e ;jfec0o7i30 gg akw 0bgvv/0lorce which the object exerts on you wilgi; 07gafe0 owlgk3c vv b/0j0l
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.
