问题
单项选择题
Which of the following statements is most accurate A method of production is economic efficiency when:（）
A. It uses the most advanced science and technology.
B. The cost of fund capital is as low as possibie.
C. The cost of producing a given level of output is as low as possible.
答案
参考答案：C
解析：
Economic efficiency refers to producing a given output at the lowest possible cost. Technological efficiency refers to using the least amount of specific inputs to produce a given output.