Read the following context and choose the best option to answer the question.
Context: I have a habit of sticking up for the big boys sometimes on this blog . This post is another example of just that . Firstly I need to admit that I downgraded my new laptop to XP Pro - Vista is just too buggy , too hard and not sufficiently compelling in my experience . I think Microsoft made some serious mistakes both technological and marketing - wise with Vista .
Question: Why has the narrator soured on Microsoft ?
Options: 
A. The narrator does not like PCs .
B. The narrator does not like the tech used in Visa .
C. The narrator does not use anything but Apple .
D. The narrator does not like Steve Jobs .


B