问题
单项选择题
Which one of the following most accurately describes the normal sequence of a business cycle（）
A. Expansion, contraction, recessionary trough, and peak.
B. Peak, contraction, expansion, and recessionary trough.
C. Contraction, recessionary trough, expansion, and peak.
答案
参考答案：C
解析：
The business cycle has four phases that normally occur in sequence: 1) peak , 2) contraction, 3) recessionary trough, and 4) expansion.