Which of the Following Statements Is TRUE About HRQoL and Exercise

Which of the following statements is TRUE about HRQoL and exercise for specific populations?

A) Among cancer survivors, exercise has its most robust effects on physical and social functioning.
B) The goal of an exercise intervention should primarily be to increase strength and endurance.
C) Activity must be done at a heavy intensity to benefit people with a physical disability.
D) Exercise is ineffective for improving perceptions of cognitive functioning among adults with cognitive impairments.