8.in the old days ,they ( )in the factory from morning to evening a were made to work b asked to

8.in the old days ,they ( )in the factory from morning to evening a were made to work b asked to
8.in the old days ,they ( )in the factory from morning to evening
a were made to work b asked to work c made to work d were asked for work（b）
这句话是什么意思啊为什么不是a是b呢他们还要求自己要工作啊.应该是被强迫 把.