In a work item comment, what is happening when “@” followed by a user ID (for example,
“@clara”) is added?

A.
A review is created, and the addressee is added as a reviewer.
B.
The comment is only visible to the addressee that is mentioned.
C.
The work item is automatically assigned to the addressee.
D.
The addressee receives a notification that she was mentioned in the comment.
Explanation: