I was at the Car Pool getting Mrs. Astro 's car washed . I stood in front of the vending machine and decided I wanted a root beer . I reached for my wallet and started sifting through my receipts . I noticed I had two bills .
According to the above context, choose the best option to answer the following question.
Question: Why was the person in front of a vending machine ?
Options:
A. None of the above choices .
B. He was trying to keep out the way of the people washing the car .
C. He needed to get out of the car as Mrs. Astro 's car was being washed .
D. He noticed he was thirsty and wanted some root beer to quench his thirst .


D