1.[]At that time work was restricted to slaves and to those few poor citizens who couldn't support themselves.A.attributed B.limited C.connected D.devotedABCD
网友回答
参考答案：B
参考解析：句意为：那时，劳动受限只给奴隶和少数贫穷不能养活自己的公民。restricted“受限制的，有限的”，四个选项：attributed“归结于，品行”；limited“限制；限定”；connected“连接，关联”；devoted“投入于，献身”。