A technician is attempting to remove a number of viruses from an infected system. The antivirus software in use is fully updated and has detected the viruses. However, a message stating that the file is in use appears when the technician tries to quarantine or delete the infected files.
Which of the following can be done to resolve this issue?（）

A. Change the permissions on the file.
B. End the running process.
C. Run the antivirus scan again.
D. Use the command line to delete the file.