Which statement and reason best completes the proof?
A. Statement: 2. 2 is supplementary to *4; Reason: 2. linear pair theorem
B. Statement: 2. m 1 + m 4 = 180°; Reason: 2. definition of supplementary angles
C. Statement: 2. m 2 + m 3 = 180°; Reason: 2. definition of supplementary angles
D. Statement: 2. 1 is supplementary to *2; Reason: 2. linear pair theorem
