Your Friend Bob,who Engages in Endurance Exercise Throughout the Week,is

Your friend Bob,who engages in endurance exercise throughout the week,is concerned that his protein intake is inadequate and asks what type of protein supplement he should take.You assure him that

A) all high-quality protein drinks are equivalent despite the price differences.
B) the extra protein he needs should be high-quality lean sources of poultry and fish.
C) he most likely already gets more protein from his regular diet than he needs,even for endurance activity.
D) no sports authority organizations recommend protein intakes greater than the RDA for endurance athletes.