Read the following context and choose the best option to answer the question.
Context: I was late for work today because I had a hangover . I have n't had a workday hangover in a million years . But , Rick and I started drinking on our patio early . Alex came over and joined us .
Question: What was the cause of my hangover ?
Options: 
A. None of the above choices .
B. I drank too much fruit juice the night before .
C. I drank too much milk the night before .
D. I drank too much coffee the night before .


A