Explanation/Reference:
Explanation:
A: To view the recovery passwords for a computer you would need the computer name:
In Active Directory Users and Computers, locate and then click the container in which the computer is

located.
Right-click the computer object, and then click Properties.

In the Properties dialog box, click the BitLocker Recovery tab to view the BitLocker recovery passwords

that are associated with the particular computer.
B:The Manage-bde: unlock command unlocks aBitLocker-protected drive by using a recovery password or a recovery key.
IncorrectAnswers:
C: Logon name would not help. Youcan easily find out the name of the owner if you have the access to the PC. For example, open Outlook or simply press Start toverify username. In such cases mobile phone call verification would is preferred, but it is not mentioned in the answers.
D: The recovery ID is not required to unlock the product volume, we only need the recovery password.
References:
https://technet.microsoft.com/en-us/library/dd759200(v=ws.11).aspx
http://www.concurrency.com/blog/enable-bitlocker-automatically-save-keys-to-active-directory/