If Al has an absolute advantage over Beth in preparing meals, then:
A、ittakesAlmoretimetoprepareamealthanBeth.;
B、theproblemofscarcityappliestoBethbutnottoAl.;
C、Al'sopportunitycostofpreparingamealislowerthanisBeth's.;
D、AlcanpreparemoremealsinagiventimeperiodthanBeth.
发布时间：2025-11-09 03:35:59
