单选题：What explanation is given by Jerry Hayes to the phenomenon?

题目分类：理工类
题目类型：单选题
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题目内容：

What explanation is given by Jerry Hayes to the phenomenon? A．Farmers apply certain chemicals to kill unwanted bee
B．The insecticide destroys the honeybee's nervous syste
C．The insecticide affects the honeybee's memor
D．All of the abov

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