Suppose That You Stand, Motionless, on the Floor

Multiple Choice

Suppose that you stand, motionless, on the floor. Regarding the force by the floor on your feet,

A) there is an downward force by the floor on your feet, even though you are not accelerating.
B) there is a downward force by the floor on your feet, and this force causes you to accelerate downwards.
C) as long as you remain motionless, there is no force by the floor on your feet.
D) there is an upward force by the floor on your feet, and this force causes you to accelerate upwards.
E) there is an upward force by the floor on your feet, even though you are not accelerating.