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? 

Answer options:

A. Recipient4 only
B. Recipient1 only
C. Recipient1, Recipient2, Recipient3, and Recipient4
D. Recipient3 and Recipient4 only
E. Recipient1 and Recipient2 only

A

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