问题
单项选择题
A business peak is present when:（）
A. most businesses are operating at below level and real GDP is decreasing rapidly.
B. most businesses are operating at capacity level and real GDP is decreasing rapidly.
C. most businesses are operating at capacity level and real GDP is growing rapidly.
答案
参考答案：C
解析：
A business peak is present when most businesses are operating at capacity level and real GDP is growing rapidly.