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The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases. The researchers also noted that the drug had a low rate of side effects.

SAT · English · previous-year question

  1. A.The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases. The researchers also noted that the drug had a low rate of side effects.
  2. B.The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases, the researchers also noted that the drug had a low rate of side effects.
  3. C.The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases and the researchers also noted that the drug had a low rate of side effects.correct
  4. D.The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases; the researchers also noted that the drug had a low rate of side effects.

Answer

C. The study, which was published in the journal *Nature*, found that the new drug was effective in treating a range of diseases and the researchers also noted that the drug had a low rate of side effects.

Explanation

Choice C correctly uses a conjunction to combine the two independent clauses. A comma alone is not enough to combine two independent clauses. The semicolon in choice D is incorrect. A semicolon can be used to combine two independent clauses if they are closely related or if the second clause explains or clarifies the first clause. However, the two clauses in the given sentence are not closely related. Therefore, the most effective revision is choice C, which uses a conjunction to combine the two independent clauses.

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