Read the following context and choose the best option to answer the question.
Context: This long winded story led me to purchase this coffee system . There are two systems out there , the Filtron and The Toddy . While the toddy is certainly the sweeter name of the two , I went with Cafe Gratitude 's suggested system which was the Filtron .
Question: Why might have happened before I made my purchase ?
Options: 
A. I had read a review and then paid money .
B. None of the above choices .
C. I   had paid money and then read a review .
D. I had paid money before reading a review .


A