As they have planned,on Sunday a number of wildlife rescuers will go to the streets to call for teal animal rights．Surely they will draw the public's attention ________ they do it．A.ifB.whenC.even ifD.though
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B解析解析：考查状语从句。易选择A，受汉语思维的影响，注意前面已有“as they have planned”这一信息提示，表示已计划、打算好，所以从句中内容不再是一种假设情况。