阅读下列短文, 从给的四个选项 (a、b、c和d) 中, 选出最佳选项。
(2014•安徽
高考)
recordings of angry bees are enough to send big，tough african elephants running away，a new study says.beehives (蜂窝)—either recorded or real—may even prevent elephants from damaging farmers' crops.
in 2002，scientist l
