Which of the Following Is an Example of Inattentional Blindness

Which of the following is an example of inattentional blindness?

A) Hearing two different messages delivered to the right and left ears and being asked to repeat one of those messages and ignore the other
B) Failing to notice a man in a lobster costume skate across the ice at a hockey game because you are busy watching the puck
C) Different brain regions are responsible for processing aspects of a single stimulus. If one region incorrectly processes a stimulus, we are blind to what the stimulus is.
D) Reading through your textbook and, realizing that you don't remember what you just read