For which recipients can User1 revoke the emails?

You have a Microsoft 365 E5 tenant that uses a domain named contoso.com.

A user named User1 sends link-based, branded emails that are encrypted by using Microsoft Office 365

Advanced Message Encryption to the recipients shown in the following table.

For which recipients can User1 revoke the emails?
A . Recipient4 only
B . Recipient1 only
C . Recipient1, Recipient2, Recipient3, and Recipient4
D . Recipient3 and Recipient4 only
E . Recipient1 and Recipient2 only

Answer: A

Explanation:

Reference: https://docs.microsoft.com/en-us/microsoft-365/compliance/revoke-ome-encrypted-mail?view=o365-worldwide