You design a Business Intelligence （BI） solution by using SQL Server 2008. You create a SQL Server 2008 Reporting Services （SSRS） solution. You create reports by using Microsoft Visual Studio .NET 2008. The development team of your company must create 50 SSRS reports. You need to ensure that the company logo and the company name are included in the page header of all the reports. What should you do？（）
A. Create an SSRS report and include the required page header in the report. Use the report as a template for all the reports.
B. Create an SSRS report and include the required page header in the report. Create a subreport that refers to the report. Include the subreport to all the reports.
Create a SSRS report and include the required page header in the report. Copy the report definition to an XML file.Add the XML file as a data source for all the reports.
D. Create a SSRS report and include the required page header in the report. Create a class library that includes the report.Add the class library as an assembly reference for all the reports.
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