Answer:
The phrase that best describes the character Mr. Enfield in The Strange Case of Dr. Jekyll and Mr. Hyde is C: a proper, modest, and mannered gentleman.
Step-by-step explanation:
Mr. Enfield is a well-known and respected person in the story. He only appears two times, but his character is essential in driving the plot. He is the ideal Victorian gentleman with impeccable manners, he believes that reputation is everything in a society and hates gossip, but, at the same time he does it with Mr. Utterson. This characteristic of his personality reflects the very common duality in the Victorian Society; from the outside, he seems a real gentleman with no outburst, but in his private life, not everything is that way. Anyways, as the correct answer says, his character is described as a proper, modest, and mannered gentleman.