The second choice should be correct since you know that angles 1 and 3 are vertical making them congruent, then 2 and 3 add to 180, then you know that angle 3 and B are congruent because they are along the same transversal and angle D is opposite of B.
The second choice should be correct since you know that angles 1 and 3 are vertical making them congruent, then 2 and 3 add to 180, then you know that angle 3 and B are congruent because they are along the same transversal and angle D is opposite of B.
