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单选题
When DOESN’T an ant send out the pheromone according to the text?
A
when it is dying.
B
when it is under attack.
C
when it feels tired.
D
when it finds food.
参考答案
参考解析
解析：
根据题干题意定位至第二段后半段，这几句指出蚂蚁在找到食物、或受到攻击、或垂死时会发出信息素以通知族群做好准备。故C项不在此列。
根据题干题意定位至第二段后半段，这几句指出蚂蚁在找到食物、或受到攻击、或垂死时会发出信息素以通知族群做好准备。故C项不在此列。
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共用题干
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