试题详情

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.

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]。