We learned from the first two paragraphs thatA.the cows were more sensitive to the flash f

We learned from the first two paragraphs that

A．the cows were more sensitive to the flash flood.

B．Helen was more sensitive to the flash flood.

C．Helen was scared when they met.

D．the cows were scared when seeing us.

请帮忙给出正确答案和分析，谢谢！