由于劳动力的供给与需求不匹配所导致的失业属于( )。
A．摩擦性失业
B．结构性失业
C．周期性失业
D．个人性失业
参考答案：B
______ he was tired, ______ he didn't stop to have a rest. [ ]
A. Although…but
B. Because…so
C. Although…/
D. Because…/
癫狂状态
