She would do it sometimes when I opened the fridge door or whenever she heard the sound of a bag being crumpled ( thinking she was about to get hay or lettuce ! ) . Now I open the fridge door and automatically I am waiting to hear her , but I do n't hear a thing . Except like just tonight , I heard her .
What may be the reason for hearing their pet when they open the fridge door ?
A. Their pet likes the coolness of the fridge .
B. Their pet is thirsty .
C. Their pet is hungry .
D. None of the above choices .


C