Three Team Members Have Left the Company and Their Issues

Three team members have left the company and their issues need to be re-assigned to various -users. All of their issues are in the Marketing project which uses the Default Notification Scheme. The scheme has never been updated. How do you inform the new assignees about their re-assigned issues?

A) Add an announcement banner to the marketing project to inform team members.
B) Perform a single bulk operation to mention all new assignees in a comment.
C) Add an announcement banner to each new assignee's dashboard.
D) Perform bulk operations to re-assign the issues and notify the new assignees.
E) Use the Send email feature to inform the individual new assignees.