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 .
According to the above context, choose the best option to answer the following question.
Question: What is the reason I came to agree with my mother about pets ?
Options:
A. None of the above choices .
B. A pet is the reason that my mother died .
C. I learned how messy pets are .
D. I experienced my dog dying .


D