A Windows server has rebooted by itself several times.There are several functioning non-Windows servers in the same rack that are connected to the same uninterruptible power supply（UPS）.Which of the following is the MOST likely cause of the reboots？（）

• A、The UPS is malfunctioning.
• B、The user traffic to the server is too high.
• C、A BSOD is occurring.
• D、The non-Windows servers cannot be located on the same UPS as the Windows server.