Which of the following statements is CORRECT about Mr. Phelps's natural rate? A.Mr. Phelps made great efforts to estimate the natural ratE. B.The natural rate can be affected by human intervention. C.Mr. Phelps is devoted to studying the causes of the natural ratE. D.The natural rate has brought him the greatest honor.
A.Mr. B. B.The C. C.Mr. D. D.The
【参考答案】
D 解析：细节题。由natural rate定位至最后三段。倒数第三段提到了该理论的核心内容：Natural s......