You work as a senior administrator at ENSUREPASS.com. The ENSUREPASS.com network consists of a single domain named ENSUREPASS.com. All servers on the ENSUREPASS.com network have Windows Server 2012 R2 installed. You are running a training exercise for junior administrators. You are currently discussing the new VHD format called VHDX. Which of the following is TRUE with regards to VHDX？（）

• A、It supports virtual hard disk storage capacity of up to 64 GB
• B、It supports virtual hard disk storage capacity of up to 64 TB
• C、It does not provide protection against data corruption during power failures
• D、It has the ability to store custom metadata about the file that the user might want to record