“You know I never approved of it,” pursued Utterson, ruthlessly disregarding the fresh topic. “My will? Yes, certainly, I know that,” said the doctor, a trifle sharply. “You have told me so.”
“Well, I tell you so again,” continued the lawyer. “I have been learning something of young Hyde.”
The large handsome face of Dr. Jekyll grew pale to the very lips, and there came a blackness about his eyes. “I do not care to hear more,” said he. “This is a matter I thought we had agreed to drop.”

–The Strange Case of Dr. Jekyll and Mr. Hyde,
Robert Louis Stevenson

Where in the plot is this passage found?

the exposition
the rising action
the falling action
the resolution