NO.PZ2023061903000002
问题如下：
Q. As the expansion phase of the business cycle advances from early stage to late stage, businesses most likely experience a decrease in:选项：
A.labor costs. B.capital investment. C.availability of qualified workers.解释：
C is correct. When an economy’s expansion is well established, businesses often have difficulty finding qualified workers.
为什么选c，a不对吗
