Which of the Following Are Valid Generalizations About the Differences

Which of the following are valid generalizations about the differences between open- and closed-mindedness?

A) Open-mindedness means carefully examining every claim made by a speaker; closed-mindedness means discarding a claim previously found to be false even when a speaker tries to argue the point.
B) Open-mindedness means following where the evidence leads; closed-mindedness means refusing to examine one's beliefs and points of view when there is compelling evidence contradicting them.
C) Open-mindedness means listening to controversial beliefs even when evidence for these beliefs is weak or invalid; closed-mindedness is refusing to listen to controversial beliefs.
D) none of the above