Writing about something with the purpose of proving or disproving, clarifying, reviewing, or judging its merits is writing intended to "inform" since it seeks the truth. Of course "inform" and "persuade" go hand-in-hand quite frequently.
The noun congeniality<span> is closely related to the word geniality, which </span>means<span> "friendliness."</span>
I think A is the answer
Hope this helps