Which of the Following Is a Feature of Lactate Production

Which of the following is a feature of lactate production during physical activity?

A) It is not a cause of muscle fatigue.
B) It may be rapidly converted to fatty acids by the liver.
C) It is produced in high quantities when ketone levels rise.
D) It accumulates in muscle at low levels of physical activity and is cleared rapidly at high levels of activity.
E) Lactate tends to remain in the muscle for 1 to 2 hours after exercise.