Some People Who Contract Malaria Are Weak During Recovery and Cannot

Some people who contract malaria are weak during recovery and cannot exert themselves for any length of time because the parasitic infection has caused the rupture of a large percentage of blood cells. Some people suggest that they should eat rare steak while in recovery. What is the premise of this suggestion?

A) Eating rare steak will help increase the iron content in their bodies, which can be used in forming new red blood cells.
B) Eating rare steak will supply all eight essential amino acids, which are important for building new muscle.
C) The steak is high in protein and provides many calories without too much fat.
D) Digesting the protein in the steak takes time, therefore energy is provided slowly in the hours after the meal.