PLEASE I NEED HELP!

Which best explains the use of irony in the piece of string

A. Master Malandain, who is a kind man, unintentionally causes another character great harm.


B. Master Hauchecorne, who is often deceitful, breaks down when people don't believe he is telling the truth.


C. The mayor is a foolish person who accidentally makes an extremely wise decision.


D. Master Malandain and Master Hauchecorne never reconcile their differences.