If you voluntarily lift an object and have underestimated its weight,

A) a burst of action potentials from the muscle spindle afferents causes the contracting muscles to contract more forcefully.
B) a burst of action potentials from the muscle spindle afferents causes the contracting muscles to stop contracting.
C) the absence of action potentials from the muscle spindle afferents causes the contracting muscles to contract more forcefully.
D) the absence of action potentials from the muscle spindle afferents causes the contracting muscles to stop contracting.