[单选题]Those who do ______ labor should be regarded the same as those who do mental labor.yYa答案窝(daanwo.com)-大学生作业答案及考资分享平台 AvisualyYa答案窝(daanwo.com)-大学生作业答案及考资分享平台 BpainfulyYa答案窝(daanwo.com)-大学生作业答案及考资分享平台 CvividyYa答案窝(daanwo.com)-大学生作业答案及考资分享平台 Dphysical