Read the following context and choose the best option to answer the question.
Context: It was one of those days ... First , we go by one of those big box pet stores to get some cat food . Yeah , so sorry kitties for the half rations last night . I just could n't face going out at 7:30 pm to get you more food .
Question: What 's the most likely cause of why the kitties were fed the way they were the night before ?
Options: 
A. The pet store was closed .
B. None of the above choices .
C. The cat food ran out days ago .
D. The cat food just ran out .


D