Which statement sets the appropriate task entry point at line PG19?

You need to register the SocialPoller background task in the constructor of the Page1 class.
Which statement sets the appropriate task entry point at line PG19?

A.
builder.TaskEntryPoint = “Sreader.Background.SocialPoller”;

B.
builder.BackgroundTableStart = “SocialPoller.Ereader.Background”;

C.
builder.TaskStart = “Pagel.SocialPoller “;

D.
builder.TaskEntryPoint = “Sreader.Pagel”;