Direct observation. This is because the anecdotal fallacy is a logical fallacy and says that isolated events are not adequate pieces of evidence. It must be a well-documented case to be evidence.
The stable Buck is a black man, hunched over wit ha crooked back. He is smart (he reads) and strong and yet he is abused by the boss anytime he is mad because he is black.
Extol is defined as to praise highly or praise
I think the answers are A. and B.