I believe the answer is humans are neither good nor bad.
Answer: Option E --
amount of sexual dimorphism
Explanation: The different between New World Monkeys and Old world Monkeys in terms of traits are geographic location as New World Monkeys are found in South America while Old World monkeys live in Africa, on the red sea coast of Arabia, and in Asia; prehensile ability of their tail ; showing of estrus and stereoscopic vision, but amount of sexual dimorphism doesn't differentiate them.