LOST - "Whatever Happened, Happened" - Kate goes to extreme measures to save Ben's life when Jack refuses to help. Meanwhile, Kate begins to tell the truth about the lie in order to protect Aaron, on "Lost," WEDNESDAY, APRIL 1 (9:00-10:02 p.m., ET) on the ABC Television Network. (ABC/MARIO PEREZ) EVANGELINE LILLY, KEN LEUNG, JOSH HOLLOWAY