Directions: The following sentences test correctness and effectiveness of expression. Part of each sentence or the entire sentence is underlined; beneath each sentence are five ways of phrasing the underlined material. Choice A repeats the original phrasing; the other four choices are different. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A. If not, select one of the other choices.
Not until Edward Jenner developed the first anti-smallpox serum in 1796 there was protection against this terrible disease.
Reveal answer
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