Geneva Believes She Is Allergic to Cats

Multiple Choice

Geneva believes she is allergic to cats.She has always avoided them and feels ill when she notices one is around.Katarina does not believe Geneva is actually allergic to cats since Geneva seems to have no reaction to the kitten Katarina has secretly been hiding in her room in their shared apartment.Maybe Geneva is remembering the times when she did not feel well and there were cats present and is forgetting the times she has been around cats and felt fine; this phenomenon is also known as:

A) confirmation bias.
B) personal probability.
C) convenience sampling.
D) randomized block sampling.