Part or all of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.

　　Johannes Gutenberg is generally credited to bring together the two main concepts of modern printing: movable pieces of metal type that could be reused, and a printing press for producing sharp impressions on paper over and over.

　　(A) to bring

　　(B) as he brought

　　(C) by bringing

　　(D) with bringing

　　(E) for the fact of bringing

　　Explanation

　　Choice (D) is correct. It avoids the unidiomatic phrasing of the original by linking an appropriate prepositional phrase, "with bringing," to the verb "credited."

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　　（编辑：马菲）