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”;