Which of the Following Statements About Muscle Contraction Is TRUE

Which of the following statements about muscle contraction is TRUE?

A) ATP hydrolysis releases myosin from actin.
B) ATP hydrolysis results in strong binding of myosin to actin.
C) ATP hydrolysis causes a conformational change in the myosin head.
D) Muscle contraction occurs as ATP is hydrolyzed.
E) ATP hydrolysis must occur before the actin-binding site closes.