369. In assessing the problems faced by rural migrant workers, the question of whether they are better off materially than the urban working poor is irrelevant. (A) In assessing the problems faced by rural migrant workers, the question of whether they are better off materially than the urban working poor is irrelevant.
(B) The question of whether the rural migrant worker is better off materially than the urban working poor is irrelevant in assessing the problems that they face.
(C) A question that is irrelevant in assessing the problems that rural migrant workers face is whether they are better off materially than the urban working poor.
(D) In an assessment of the problems faced by rural migrant workers, the question of whether they are better off materially than the urban working poor is irrelevant.
(E) The question of whether the rural migrant worker is better off materially than the urban working poor is irrelevant in an assessment of the problems that they face.
答案是D。 为什么B不对？B里面的比较应该是对的？是因为它改变了句子重心吗？B和D的重心有什么区别？ 谢谢！ | 
