The correct options are
A ∠3 and ∠5
C ∠4 and ∠6
When two lines are crossed by another line (transversal line), Alternate Interior Angles are a pair of angles on the inner side of each of those two lines but on opposite sides of the transversal.
In the given figure , the pairs of alternate interior angles are :
(i) ∠3 and ∠5
(ii) ∠4 and ∠6