Denzel Travels a Great Deal,and Over the Past Several Years

Denzel travels a great deal,and over the past several years he has read dozens of reviews of hotel chains,all of which rave about the clean rooms and great service at Stay Here hotels.Last month,Denzel checked into a room at a Stay Here hotel for the first time,only to find the room filthy and the service lousy.He decided the Stay Here chain is inferior to other hotel chains.

A) Denzel was irrational to have believed the reviews that he had read.
B) Denzel was rational to have changed his mind about Stay Here hotels based on his one experience.
C) Denzel is an example of someone who gives too much weight to a small number of vivid observations.
D) Denzel is an example of someone who is reluctant to change his mind.