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
看了讨论贴,还是不明白over和about的区别,还有D和E选项是不是在原句的意思上加了因为这层意思,所以被排除呢?谢谢。
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