Which cmdlet should you use?

You have an Exchange Server 2016 organization. The organization contains a database availability group
(DAG).
You need to identify the number of transaction logs that are in replay queue.
Which cmdlet should you use?

A.
Test-ServiceHealth

B.
Test-ReplicationHealth

C.
Get-DatabaseAvailabilityGroup

D.
Get-MailboxDatabaseCopyStatus

Explanation:
https://technet.microsoft.com/en-us/library/bb691314(v=exchg.160).aspx?f=255&MSPPError=-2147217396