Which of the Following Is an Example of Psychological Noise

Which of the following is an example of psychological noise?

A) You notice the clicking of your coworker's keyboard.
B) You discern the sound of a far-off car alarm.
C) You hear laughter coming from your boss's office.
D) You have distracting thoughts during a business meeting.
E) You pick up the sound of distant thunder as a rainstorm begins.