You are a database developer and you have about two years experience in creating business Intelligence (BI) by using SQL Server2008.

Now you are employed in a company named NaproStar which uses SQL Server2008. You work as the technical support.
According to the requirement of the company CIO, you develop a report by using SQL Server 2008 Reporting Services (SSRS).

The report utilizes the “User!UserID” expression in a text box within the report header.
Now you get a requirement from your company Manager, data-driven subscriptions must successfully execute for this report.

So what should you do to make sure of this?

A.
You should remove the expression from the report header

B.
You should configure the report, making it no credentials

C.
You should configure the report, making it use stored credentials

D.
You should modify the expression in the report header as “User!UserName.”