Word formation and spelling. Punctuation and style of writing.
D d d d d d d d d d d d did d. Did d d
I think D is the answer, because his reflection looking at him like a bird of prey shows that he feels guilty about something, in this case I'd say he feels haunted or guilty about the war
The Pythagora does not do anything. It has been given credit for discovering the Pythagorean Theorem
