Which equation can be used to find the measure of an angle that is supplementary to ∠EOF

A. m∠EOF + m ∠FOA = 180 Degrees
B. m∠EOF + m ∠EOD = 180 Degrees
C. m∠EOF + m ∠FOB = 180 Degrees
D. m∠EOF = m ∠COB = 180 Degrees