第3题:[单选题]Families have also( )changes these years.More families consist of one‐parent households or two working parents;consequently,children are likely to have less supervision at home than was common in the traditional family structure. A.survived B.noticed C.undertaken D.experienced 参考答案:D 上下文意为families自身也变化了。A.survived changes“经历了变化后生存了下来”。B.noticed changes“注意到了变化”。C.undertaken“保证;着手;进行”,是理性地决策后做事的意思,而change往往是自身动作,因此undertaken就不太好与change连用了。利用排除法可选[D]。