Of the Following Is True About Recess and Youth Physical

of the following is true about recess and youth physical activity levels?

A) Recess does not positively affect youth activity levels since children just stand around during recess.
B) Children tend to have higher physical activity levels during recess than in physical education class.
C) When recess is eliminated at schools, children compensate by being more active after school.
D) All of the above are true.