The Thrifty Genotype Hypothesis Proposes

The thrifty genotype hypothesis proposes

A) that alleles causing diseases such as diabetes were advantageous at some point in our evolutionary history.
B) that modern diets are often rich in nutrients that were more scarce over our evolutionary history.
C) that conditions experienced by a developing fetus can affect physiology throughout life.
D) a and b
E) a, b, and c