With Respect to Exercise and Its Effects on Body Image

With respect to exercise and its effects on body image, which of the following is TRUE?

A) Exercise done at a mild intensity is just as effective as moderate-vigorous intensity exercise.
B) The effect of exercise on body image is largest among participants of university age.
C) Compared to bouts of shorter duration, longer duration exercise bouts are more effective at improving body image.
D) More exercise sessions per week lead to larger improvements in body image than fewer exercise sessions per week.