题目内容：
Questions are based on the following passage．
注意：此部分试题请在答题卡2上作答。
Which of the following does“labor market problems”(Line1，Para.1)refer to?
[A]Shortage of jobs providing adequate income．
[B]Deficiencies in the training of the work force
[C]Trade relationships among producers of goods．
[D]The overall causes of poverty．
参考答案：
答案解析：