42. The current administration, being worried over some foreign trade barriers being removed and our exports failing to increase as a result of deep cuts in the value of the dollar, has formed a group to study ways to sharpen our competitiveness. A. being worried over some foreign trade barriers being removed and our exports failing B. worrying over some foreign trade barriers being removed, also over the failure of our exports C. worried about the removal of some foreign trade barriers and the failure of our exports D. in that they were worried about the removal of some foreign trade barriers and also about the failure of our exports E. because of its worry concerning the removal of some foreign trade barriers, also concerning the failure of our exports
1.修饰 ：(一级排除A,D,E ) 分词结构比介宾结构修饰要简洁 ； being 不好；in that they were worried,前面多余
2.平行结构(一级排除B )： 名词对名词the removal... and the failure ...
3.习语： worry about 对&. worry over 错
4.代词： 指代的数的一致 they does not agree with the singular noun administration.