Which of the following examples is most clearly narrated in third person omniscient point of view?

A. She went from room to room and shouted her warning at the train's passengers, all who seemed startled.
B .He looked up form his meal and noticed that everyone had left. How did this keep happening.
C. Burt always assumed that he was an only child, but little did he know that he had a long lost sister.
D. What did she mean by that? He searched her face for answers, but her gaze was, as always, impenetrable.