Consider the figure below. Which of the following statements is enough to prove MPL=NPO

Out of the answer choices B is the best (I took the same test, got it right). Only one has real theroms, B. D doesn't use any theroms at all, and A and C use a therom I never heard of.
Answer:
B
Step-by-step explanation:
THE ANSWER IS B AND ONLY B. B IS THE ANSWER AND THE ANSWER IS B. B IS THE ANSWER OF THE UNIVERSE AND ME B IS LIFE B IS GOD B IS EVERYTHING.