The correct answer is D. The brutality with which man treats his fellow man.
Explanation:
In the Equiano's work, he states that he is able to flee from animals, but he cannot escape from human beings. It is interesting how Equiano makes the comparison with the animals and human beings and making the humans look worse than them.
HIV is often thought of as the most widespread in infection counts of all these and is more widely known than the others in those terms HIV is the answer.
