My dog had a heart attack tonight . He died within minutes of mom taking him to the animal emergency room . I was on my way to meet her there . I did n't get there in time .
Why is the narrator likely crying and downtrodden ?
Pick the best answer from the following options:
A. Their mom is dead .
B. None of the above choices .
C. Their pet passed away .
D. Their mom passed away .


C