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 .

Possible answers:
(a). The mother has a bad opinion of animals .
(b). The mother had her heart broken by a bad pet death .
(c). The mother is a PETA advocate .
(d). None of the above choices .
Answer the following question: Why would this mom be biased against owning pets ?
(b).