MrY Has Demonstrated Reduced Exercise Capacity When Compared to His

Mr.Y has demonstrated reduced exercise capacity when compared to his normative peers.You know that this means:

A) He is likely to function independently
B) He uses only a small fraction of the reserve capacity of the cardiovascular and respiratory systems during physical activity
C) He uses a large portion of the reserve capacity of the cardiovascular and respiratory systems during physical activity
D) He has a decreased risk of future vascular events