Which of the Following Is True Regarding Muscle Relaxation

Multiple Choice

Which of the following is true regarding muscle relaxation?

A) skeletal muscle is relaxed when antagonizing muscles pull it back to its relaxed state
B) skeletal muscle relaxes when myosin heads push backward in an ATP-driven movement
C) smooth muscle relaxes when myosin heads push backward in an ATP-driven movement
D) skeletal muscle is relaxed when the pressure increases inside fluid-filled cavities