You are creating a Windows application by using the .NET Framework 3.5. The application uses a Web Service to allow managers to retrieve employee performance data. The application allowsmanagers to access and modify data offline. The employee performance data is sensitive and must be protected. You need to implement an offline storage strategy. What should you do?

A.
Save a local XML file that contains the data for the employees selected in Isolated Storage.

B.
Save a local XML file that contains the data for the employees selected in the home directory of the application.

C.
Use the System.Security.Cryptography.MD5CryptoServiceProvider to encrypt a local XML file that contains only the data for the employees selected.

D.
Use the System.Security.Cryptography.TripleDESCryptoServiceProvider to encrypt a local XML file that contains only the data for the employees selected.