Read the following pssage and answer the question that follows.
The Strange Case of Dr Jekyll and Mr. Hyde.

I incline to, Cain's heresy," He used to say. "I let my brother go to the devil in his quaintly 'own way'." In this character, it was frequently his fortune to be the last reputable acquaintance and the last good influence in the lives of down-going men. And to such as these, so long as they came about his chambers, he never marked a shade of change in his demeanour.

Which of the following is the strongest example of a summary for the passage?

A. He could not abide people who were not followers of his beloved religion.

B. He did not judge the people he knew who were making poor life decisions.

C. He studied the actions of people who were often his enemies in business.

D. He treated each person differently because he disliked unethical behavior.