Given What We Know About the Effects of Genes and the Environment

Given what we know about the effects of genes and the environment, which of the following pairs of children would be expected to be most similar in terms of overall personality, psychological disorders, and intelligence?

A) Monozygotic twins, one raised in a wealthy family living in a modern city and the other raised in poverty in a developing nation
B) Adopted children from different biological families raised in the same home
C) Biological siblings raised in the same house
D) Biological siblings, each adopted immediately after birth, one raised in Chicago and the other raised in New York City