______ at the outset, ______ instea

根据考试中心的统计分析，以下试题在2019/6/2日高考习题练习中，答错率较高，为：87%
【单选题】______attheoutset,______insteadofshiftingthingaboutmaybepheromonesreleasedwhentheyreachcommitteesize.A、Thestimulisetthemoff...buildcollectivelyB、Thestimulithatsetthemoff...buildingcollectivelyC、Thestimulisettingthemoff...theybuildcollectivelyD、Beingsetoffbystimuli...theirbuildingcollectively
参考答案：B，答错率：87%