During my last class I came to the realization that I had not had anything to eat the entire day nor did I really drink anything . Then I almost fell asleep , twice . I had a test in Art History and I ' m almost certain I did awful on ( and Mike and I came to the conclusion that we 're the most bitter students at the school because of it ) .
According to the above context, choose the best option to answer the following question.
Question: Why did I fall asleep in class ?
Options:
A. I was running all day .
B. I did n't shower that day .
C. I did n't eat or drink all day .
D. None of the above choices .


C