Question

When do you use “a mi también” as a response?

A. when you have an indirect object in the sentence
B. when you have a direct object in the sentence

Answer 1

A. When you have an indirect object in the sentence

Answer 2

A, because you telling them yeah me too, so you are responding to them and affecting them where you going and what you doing! Hopefully this help and sorry for the late response :)