Brsinlirst if correct

(4)

The only possibly answer that makes the most logical sense is a

Explanation: B. wouldn't make it any better only worse making the population die out it would help more in a cold C. doesn't make sense either their ground squirrels but they can still climb and finally D. there in Africa everything is basically beige and they would stick out more making them easy prey.

A makes it easier to blend in with their surroundings and giving them a higher survival chance