题目内容：
根据文章，回答题
The second paragraph implies that
[A] the world’s earthquake laboratories were not effective in detecting seismic "pre-shocks".
[B] seismic signaling was the major communication form of many animal species.
[C] those animal species can feel and understand all kinds of vibrations.
[D] all strange animal behaviors can be explained by extra-sensory perception.
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答案解析：