Jack Complains That His PC Takes a Long Time to Open

Multiple Choice

Jack complains that his PC takes a long time to open a file once it is clicked to open. He also complains that the overall performance of the computer is slow. On further probing, you discover that his hard drive is using up 90% of the available space. Which built-in system tool should you recommend to him in order to organize the data on his hard drive?

A) Disk Defragmenter
B) Disk Cleanup
C) Format command
D) PC Doctor