The answer is A. ostinato
Andrea del Verrocchio, Boudin, Leonardo da Vinci, Perugino, Ghirlandaio and Sandro Botticelliare some of the people that influenced Michelangelo's early works of art.
Hope this helps!!
I only know two and they are
1. Not discussing issues and not supporting them with information.
2. Not giving advice on what to say/talk about.
