If Mark Twain is an option, then that would be the answer.
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.
This is not a question this is a statement, I hope this helps you in your life
Answer:
It's either A or D but I think A is more likely
He is stubborn but hard working
