You need to ensure that the installation of Windows 7 Ultimate will support BitLocker Drive Encryption on the system partition

You have 100 computers that run Windows XP. Each computer has the following features:
• Contains a single hard disk drive.
• Contains a single partition.
• Supports USB devices during startup.
You are planning a clean installation of Windows 7 Ultimate.
You need to ensure that the installation of Windows 7 Ultimate will support BitLocker Drive
Encryption on the system partition.

What should you do?

A.
Verify that the computers have a Trusted Platform Module (TPM) version 1.2 security devices.

B.
Perform a clean installation of Windows 7 Ultimate by using the existing partition. Use bcdedit.exe
to create a new empty boot configuration data store.

C.
Perform a clean installation of Windows 7 Ultimate by using the existing partition. Verify the
status of the partition by using manage bde.exe.

D.
Start the computer from Windows 7 media. Delete the existing partition and install Windows 7
Ultimate on the unpartitioned space.