CompTIA A+ Core 2 Question D-98

Jane, a user, reports that a newly purchased laptop is only showing 65GB total on the C drive, but she purchased a 100GB hard drive. Which of the following is MOST likely the cause of this difference?

A. The unavailable space is set aside for Windows system files
B. The manufacturer provided a factory recovery partition
C. Corrupted data is being stored in the unused space
D. The partition was setup incorrectly and needs to be extended

Correct Answer: B