Which options are available with Email-to-Case?

Universal Containers has activated Email-to-Case functionality to allow customers to

correspond with support agents via email.

Which options are available with Email-to-Case? (Choose 2)
A . Only one inbound email address can be used for Email-to-Case
B . Follow-up emails and attachments related to a case are attached to the case
C . Assignment, escalation, and workflow rules are processed on inbound emails
D . Follow-up emails related to a case will update the case comments

Answer: B,D