Birds known as honeyguides exhibit a unique pattern of behavior: the bird leads another animal, such as a honey-badger or a human, to a bees’ nest with their chattering when they fly ahead; after the larger animal takes honey, the bird eats the wax and bee larvae.

　　A、with their chattering when they fly

　　B、with chattering and its flying

　　C、by chattering as it flies

　　D、by chattering and its flying

　　E、by chattering as they are flying

原文意思

　　一种鸟有一种独特的行为， 它用 chatter 这种方式把人引导一个地方当它飞的时候， 大动物拿走蜜它吃剩下的

　　题目分析：

　　A 中 they 应该指鸟，但是鸟在前面是单数，用 they 不行，杀。

　　B 用 and ，fly 和 chatter无法在语义上形成并列关系，杀。

　　C 说当它飞的时候，语义合理， 留着。

　　D 和 B 的错误类似，干掉。E 又用 they，干掉。