原题
录音 1
What does the speaker say happened after the researchers removed most of the "elite foragers" from the hive?
AThe colony collapsed.
BForaging activity increased immediately.
CForaging activity decreased at first and then returned to earlier levels.
DBees that specialized in maintaining the hive became forager bees.
正确答案：C
解题思路
老师暂未填写解题思路。