Which of the following is an example of physiological noise?

A) A fire alarm goes off during a speech, so you must leave the room and can't listen any longer.
B) Your stomach is growling, and it makes it difficult to concentrate on what the speaker is saying.
C) You're certain your parents are giving you a new car for your birthday tomorrow and your
daydreaming about the car is keeping you from paying attention to the speaker.
D) There is an annoying clicking coming from the clock on the wall above the speaker, and you can't help
but notice it.

B