问题:
[单选题]The two sectors must pay the () wage because labor can move between sectors.fyg答案窝(daanwo.com)-大学生作业答案及考资分享平台
Adifferentfyg答案窝(daanwo.com)-大学生作业答案及考资分享平台
Bincreasingfyg答案窝(daanwo.com)-大学生作业答案及考资分享平台
Csamefyg答案窝(daanwo.com)-大学生作业答案及考资分享平台
Ddecreasing