Aclient with osteoarthritis asks for information concerning activity and exercise. when assisting the client, which concept should be included? a. the time of day when exercise is performed isn't importantb. exercising in the evening before going to bed is benefialc. exercising immediately upon awakening allows the client to participate in activities when he has the greatest amount of energyd. delaying exercise for at least 1 hour after awakening allows the client to participate in exercise after some of the morning-related stiffness has subsided