题目给的解释

问题如下：

Q. During an economic recovery, a lagging unemployment rate is most likely attributable to:

选项：

A.businesses quickly rehiring workers.

B.new job seekers entering the labor force.

C.underemployed workers transitioning to higher-paying jobs.

解释：

B is correct. In an economic recovery, new job seekers return to the labor force, and because they seldom find work immediately, their return may initially raise the unemployment rate.