I need answers to both parts please!

PART A: Which of the following best describes the tone of the preamble?
A. Melancholic
B. Objective
C. Hopeful
D. Authoritative

PART B: Which of the following quotes best supports the answer
to Part A?
A. “the scourge of war, which twice in our lifetime has brought
untold sorrow to mankind"
B. "to reaffirm faith in fundamental human rights, in the dignity
and worth of the human person"
C. “to ensure, by the acceptance of principles and the institution
of methods, that armed force shall not be used, save in the
common interest"
D. “Accordingly, our respective Governments, through
representatives assembled in the city of San Francisco... have
agreed to the present Charter of the United Nations"