Windows is very happy to run a program automatically when a USB flash drive is inserted into a PC . How convenient , both for end users and for bad guys .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator so skeptical about Windows as a computer program ?
Options:
A. None of the above choices .
B. The narrator believes Microsoft is vulnerable to hacks .
C. The narrator believes Microsoft is not efficient .
D. The narrator believes Microsoft is virus - ridden .


B