2. 外语
  3. ______ some flowers contain more nectar than others, how does a honeybee worker, faced with a patch of flowers containing variab

______ some flowers contain more nectar than others, how does a honeybee worker, faced with a patch of flowers containing variab

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问题 ______ some flowers contain more nectar than others, how does a honeybee worker, faced with a patch of flowers containing variable amounts of nectar, decide when to stop collecting?
选项 A、Given that
B、Though
C、If
D、while
答案A
解析 given是介词，意为“鉴于，考虑到……”。
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