A-A+
The factor that does not influence the size of
问题详情
The factor that does not influence the size of the workforce is ______.
A．the size of the total population
B．the age distribution of a population
C．the national economy
D．the natural population growth
参考答案
正确答案：C
解析：本题A、B、D三项在文章第二、三段中都可找到相应的原文，C项文章中并未提到。
