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 thing that " breaks your heart " ?
Options:
A. People are sad because the pets cause a virus that affects the physical heart .
B. People love pets almost as much as people and pets often have short life spans so mostly people live longer than the pet .
C. None of the above choices .
D. People are upset because the valuable animal is gone and it is a loss of money value that is sad .


B