The correct answer is A, angry. Whereas he is secretive in the beginning when he doesn't want to show his identity to the Hobbits, and he is definitely brave and devoted, he doesn't really show the emotion of anger, either in the movies, or in the books.
The answer to 1 is D. The Norse myth celebrates bravery, while the Wyandot myth celebrates the freedom of the spirit. The answer to 2 is A. "How Old Man Winter Was Driven Back" and Ormuzd and Arimanes".