Answer: Option C
Answer: (c)
exonerate
exonerate (V.) : to officially state that somebody is not responsible for something that he has been blamed for
excuse (V.) : to forgive somebody for something that he has done (not being polite, making a small mistake, etc.)
reprimand (V.) : to tell somebody officially that you do not approve of him/his actions ; rebuke
acquit (V.) : to decide and state officially in court that somebody is not guilty of a crime