SAT English Practice Question

A scientist is writing a report for a scientific journal. In the report, the scientist describes an experiment that was conducted to test the effectiveness of a new type of fertilizer. The scientist wants to make sure that the report is clear and concise. Which of the following sentences from the scientist’s report should be revised to improve the clarity and conciseness of the report?

1. A.The experiment was conducted in order to determine whether the new fertilizer would be effective in increasing the yield of crops.
2. B.The results of the experiment indicated that the new fertilizer was effective in increasing the yield of crops.
3. C.The experiment’s results showed that the new fertilizer was more effective than the older fertilizer.
4. D.The scientist concluded that the new fertilizer was an effective means of increasing the yield of crops.