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.