Identify the pairs of supplementary angles in the figure.
A) ∠1 and ∠3; ∠2 and ∠8; ∠6 and ∠7; ∠5 and ∠8
B) ∠1 and ∠2; ∠4 and ∠6; ∠6 and ∠7; ∠3 and ∠8
C) ∠3 and ∠5; ∠1 and ∠8; ∠2 and ∠3; ∠2 and ∠8
D) ∠1 and ∠2; ∠1 and ∠8; ∠2 and ∠3; ∠3 and ∠8
