What best describes the relationship between the narrator and John?

A. John is deeply worried for his wife and is willing to try anything to cure her.

B. As both husband and physician, John is very paternalistic when it comes to his wife, the narrator, treating her like a child.

C. The narrator loves John and trusts his judgement completely, despite the difficulties of his treatment plan.

D. The narrator and John deeply resent one another, though they are attempting to keep up the appearance of a happy marriage.