determine the missing statements and reasons for following proof given /a is supplementary to /bce prove /a = /1 A. Reason 3: Congruent complements theorem Statement 4: / B. Reason 3: Congruent supplements theorem Statement 4: / C. Reason 3: Congruent complements theorem Statement 4: / D. Reason 3: Congruent supplements theorem Statement 4: /