[单选题]The （） of producing something measures the cost of not being able to produce something else with the resources used.5YT答案窝(daanwo.com)-大学生作业答案及考资分享平台 Aopportunity cost5YT答案窝(daanwo.com)-大学生作业答案及考资分享平台 Babsolute advantage5YT答案窝(daanwo.com)-大学生作业答案及考资分享平台 Crelative advantage5YT答案窝(daanwo.com)-大学生作业答案及考资分享平台 Dcomparative advantage
