Scientists listened to fish and found a

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问题 Scientists listened to fish and found a volcano(火山). It is eight thousand feet tall. But it is on the floor of the ocean off the northeast coast of New Zealand. There the water is nine thousand feet deep; it hides the volcano from view.  If it hadn’t been for the scientists, we still might not know of the volcano. These men were recording underwater noises. Most of these noises are made by fish. But the scientists heard a strange rumbling(隆隆声). They felt that no fish could make this sound, so they pulled instruments through the water and found the volcano.The volcano was not found sooner because ____.(  )A. it was covered by water B. it was not exploding C. people had little interest in volcanoes D. no ships sailed near it

选项 A. it was covered by water
B. it was not exploding
C. people had little interest in volcanoes
D. no ships sailed near it

答案 A

解析 由文章“There the water is nine thousand feet deep; it hides the volcano from view.”可知A项正确。
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