Tahki and Waneta Are Identical Twins, but They Were Separated

Tahki and Waneta are identical twins, but they were separated at birth and raised in different countries. When they meet as adults, they talk about all the ways in which they are the same, but also the ways in which they are different. Compared to identical twins who have been raised together, Tahki and Waneta probably

A) have more characteristics in common than most identical twins, because they didn't have to prove to anyone that they are different.
B) are as similar as identical twins who were raised in the same household.
C) have fewer characteristics in common than most identical twins, because their environments were different while they were growing up.
D) are as similar as identical twins who were raised in the same household, though only if their primary caregivers were equally attentive.
E) These is insufficient relevant research to answer this question.