Suppose that your roommate snaps at you just as you arrive at your apartment. She

quickly apologizes saying, "I'm sorry, I'm just a bit grumpy today." Which of the
following statements about your roommate is true?

a. She has described and explained her behavior.
b. Her grumpiness explains her behavior.
c. Her snapping at you is due to her grumpiness.
d. Her grumpiness does not explain her behavior.
e. Her grumpiness causes her behavior.

d. Her grumpiness does not explain her behavior.