The Scarcity Principle tells us ________, and the Cost-Benefit Principle tells us ________.
选项:
A:how to make good choices; that choices involve costs and benefits;
B:that good choices eliminate scarcity; how to make good choices;
C:how to make choices; that choices must be made;
D:that choices must be made; how to make good choices
发布时间:2024-05-15 15:21:43