What Do the Dietary Data, Including Protein and Calorie Counts

What do the dietary data, including protein and calorie counts, from the !Kung tell us?

A) Classic foragers subsist largely on plants and are well-nourished.
B) Classic foragers subsist largely on plants and are under-nourished.
C) Mongongo nuts are not adding much nutrition to the !Kung diet.
D) Classic foragers subsist mostly below the standard when it comes to protein and calories.
E) Yak meat is a nutritional super food.