The text describes how a scientist designed and built a device to test the efficacy of a new type of medicine. The text states that the device used "a series of chambers" that each contained a different type of medicine. The text also mentions the number of subjects that were used in the study, the number of days that the experiment lasted, and the results of the experiment. Which of the following choices would be the best replacement for the phrase "a series of chambers" in the text?
Which of the following phrases would most effectively improve the clarity and precision of the sentence?
Correct answer: C
Explanation
The phrase "several chambers" is the most clear and precise way to describe the multiple chambers that were used in the study. The other options are either too vague or too formal.
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