My mother vowed several years ago that she would never own another pet . " They just break your heart when they die and I ca n't take it anymore . " I agree with her .
What is the reason I came to agree with my mother about pets ?
Pick the best answer from the following options:
- None of the above choices .
 - A pet is the reason that my mother died .
 - I learned how messy pets are .
 - I experienced my dog dying .


I experienced my dog dying .