It is a company’s policy to shut down all workstations at the end of the day. However, the majority of employees are leaving disks in their workstations and upon start up the next morning they are receiving a ‘NTLDR is missing’ error. Which of the following is a possible solution?（）

• A、Make a daily announcement to remove all disks before departing for the day.
• B、Change the Boot order in the BIOS.
• C、Make it a part of the evening checks to ensure all disks are removed.
• D、Make a company policy that states that it is unlawful to leave disks in the machines.