A coin is flipped three consecutive times. Which of the following represents the event of getting a head on the first flip? A.{(H, H,H),(H, H,T),(H, T,H),(H, T,T)} B.{(H, H,H),(H, H,T),(H, T,H),} C.{(T, H,H),(T, H,T),(T, T,H),(T, T,T)} D.{(H, H,H)}