Members of the Sales team store Microsoft Excel workbooks and other files on a SharePoint team site. The workbooks do no

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Members of the Sales team store Microsoft Excel workbooks and other files on a SharePoint team site. The workbooks do not access external data.
When Sales team members attempt to open workbooks from the team site, they receive an error message stating that the workbook cannot be opened.
You need to configure the SharePoint farm to ensure that users can open Excel workbooks.
What should you do?

A. Set Trusted File Locations for Excel Services.
B. Add members to a Secure Store target application.
C. Set the Excel Calculation Services authentication method to Impersonation.
D. Grant members Read permission to the Sales team site.