You are creating an ASP.NET application by using the .NET Framework 3.5.

The application contains a Web form that sends requests to four Web services during the Page_Load event.

You plan to invoke the Web service requests asynchronously. You need to ensure that the Web form can execute the tasks simultaneously.

What should you do?

A.
Invoke the RegisterAsyncTaskmethod.

B.
Invoke the SetRenderMethodDelegatemethod.

C.
Invoke the ExecuteRegisteredAsyncTasksmethod.

D.
Invoke the AddOnPreRenderCompleteAsyncmethod.