The best indicator of one's ability to keep a high-intensity aerobic exercise is Maximal oxygen debt thus option A is correct.
The maximum actuated oxygen deficit is the measurement for the capacity for the anaerobic oxygen that is uptake. This refers to the predicted demand for the oxygen and the oxygen uptake measured during the extensive exercise. It is available for oxidative metabolism and develops at the time of intensive body activity.
Find out more information about the aerobic exercise
brainly.com/question/14375834.
