An application connects to a SQL Azure database.  The application occasionally loses the connection to the SQL Azure database.   You need to recommend an approach for reliably completing data access operations.  What should you recommend？（）  

• A、 Use Microsoft ADO.NET connection pooling.
• B、 Pass exceptions to the user interface layer.
• C、 Implement a retry policy in the data access layer.
• D、 Begin a transaction before each data access operation.