92. Never before had taxpayers confronted so many changes at once as they had in the Tax Reform Act of 1986.
(A) so many changes at once as they had in
(B) at once as many changes as
(C) at once as many changes that there were with
(D) as many changes at once as they confronted in(D)
(E) so many changes at once that confronted them in
同样一群taxpayers前后发生的事情比较,却在than后补出了主语及谓语. D的confronted补的完全正确, A中的had就是错的。另外,D中代词用了they, 而不是that/those, 因为是自己与自己比。that/those指代同类事物,而不是同一样事物
如果补出的谓语动词是did, 对吗?
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