Question

A) side-side-side triangle similarity postulate

Answer 1

The answer is B.) Angle-Angle Triangle Similarity Postulate, however the extra pair of congruent angles were unnecessary since the Angle-Angle Similarity Postulate only needs two pairs of angles to be congruent in order to be true.

Answer 2

The question tells you that  the 3 corresponding angles are equal.

For similarity you only have to know that 2 corresponding angles are equal.