You develop a SQL Server 2008 Reporting Services (SSRS) solution.
You add a report that contains a single dataset and a query parameter.
You need to ensure that the report executes without user interaction from the Report
Manager.
What should you do?

A.
Configure the report to use snapshot execution.

B.
Configure available values for the parameter from the dataset.

C.
Configure the default value for the parameter based on an expression.

D.
Configure the parameter data to refresh whenever the parameter is refreshed.