How Are the Confabulations Offered by Patients with Prefrontal Cortex

How are the confabulations offered by patients with prefrontal cortex damage similar to the answers given by normal people who have learned something poorly?

A) The same wrong answers tend to be given each time they are asked the same question.
B) Different wrong answers tend to be given each time they are asked the same question.
C) People tend to answer "I don't know" when they are asked the same question more than once.
D) They tend to be wild guesses that have little chance of being correct