If Al has an absolute advantage over Beth in preparing meals, then:
A.Al’s opportunity cost of preparing a meal is lower than is Beth’s.
B.Al can prepare more meals in a given time period than Beth.
C.the problem of scarcity applies to Beth but not to Al.
D.it takes Al more time to prepare a meal than Beth.
正确答案：Al can prepare more meals in a given time period than Beth.
