What is Mr. Utterson's relationship with Dr. Lanyon?

a.

Long-time friend and counsel

c.

Alter-ego

b.

Former patient

d.

Casual acquaintance

This comes from the story " Dr. Jekyll and Mr. Hyde" written by Robert Louis Stevenson. It is the tragic story of how Dr. Jekyll used a potion to transform into Mr. Hyde and do his evil deeds and killing people. Mr. Utterson the lawyer, is a good friend of Dr. Lanyon. Both are friends of Dr. Jekyll.

Question: What is Mr. Utterson's relationship with Dr. Lanyon?

Answer: a. Long-time friend and counsel