3. According to the diathesis-stress model, monozygotic twins raised in the same household will
(A) not necessarily have the same disorders because of potential differences in their diathesis.
(B) have the same disorders because their diathesis and stress are exactly the same.
(C) not necessarily have the same disorders because of potential differences in their stress.
(D) have no more likelihood of sharing a disorder than any other two randomly selected individuals from the population.