You are employed as a developer at ABC.com. ABC.com has a single Active Directory domain,
named ABC.com.
You make use of Visual Studio 2012 to create new ASP.NET MVC web applications for ABC.com.
You are currently running a training exercise for junior developers. You are discussing a class that
converts task-returning asynchronous methods into methods that use the asynchronous
programming model used in previous versions of ASP.NET.
Which of the following is the class being discussed?

A.
The EventHandlerTaskAsyncHelper class.

B.
The HttpServerUtilityBase class.

C.
The HttpRuntime class.

D.
The HttpResponse class.

Explanation:
http://msdn.microsoft.com/enus/library/system.web.eventhandlertaskasynchelper.aspx