Select the number line that shows that two opposite numbers have a sum of 0. 6 O A. -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 5 B. HE -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 O c. -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 2 D. -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8​