OG－42句子结构不明白

月影无痕

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.

(C) worried about the removal of some foreign trade barriers and the failure of our exports

这个答案，但我不明白，has formed不是主语谓语吗，虽然c的表达最好，但是怎么解释worried的作用呢？

月影无痕

自己找到了答案，worried是形容词，修饰主语的，所以不是谓语.

elitist

中间的一段话是插入成本，修饰administration的.

小精灵

“worried about the removal of some foreign trade barriers and the failure of our exports ”是过去分词短语，作原因状语修饰“The current administration”，译为“由于...的原因， 现政府...”