听力原文: Six consecutive days of spring rain had created a raging river running by Nancy
Even though it was about noon, the sky was so dark and the rain and lightning so bad that it took rescuers another two hours to discover Nancy. A helicopter lowered a paramedic, who attached Nancy to a life-support hoist. (33) They raised her into the helicopter and took her to the school gym, where the Red Cross had set up an emergency shelter.
When the flood finally subsided two days later, Nancy immediately went back to the "island". (34) To her great grief, Lizzie was gone. She was one of nineteen cows that Nancy lost. "I owe my life to her," said Nancy sobbingly.
(33)
A.She was a farmer.
B.She was a cow.
C.She was a rescuer.
D.She was a horse.