问题：
[单选题]An increase in the relative price of a good causes the real income of the factor used intensively in the production of that good to ().mNZ答案窝(daanwo.com)-大学生作业答案及考资分享平台
AincreasemNZ答案窝(daanwo.com)-大学生作业答案及考资分享平台
BdecreasemNZ答案窝(daanwo.com)-大学生作业答案及考资分享平台
CuncertainmNZ答案窝(daanwo.com)-大学生作业答案及考资分享平台
Dunchanged
