单选题 Among all the changes resulting from the ______ entry of women into the work force, the transformation that bas occurred in the women themselves is not the least important.

【正确答案】 A
【答案解析】句意:美国妇女大规模进入劳动力市场引发了很多变化,在所有变化中,妇女本身的转变是最重要的。massive大规模的。quantitative量的,定量的。surplus多余的,过剩的。formidable可怕的,难对付的。