The answer is D...Tell me if i'm right.
They question wether someone of his class and with his education could be so brilliant
Well, an internal conflict is when a character struggles in their mind and heart over a decision. An example could be; someone struggling over to make the right or wrong decision, like saving a book or burning a book, killing a spider or setting it free, helping someone carry boxes or leave them to do it themselves, etc.
Hope this helped!! Have a good day!