[求助]OG42，谢谢

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

我想问下大家B选项红色阴影部分的being也不对吧，这个OG没有说明是错误，如果正确，那么加being是为了什么呢？请指教，谢谢！