TOEFL Reading: ETS-TOEFL阅读机经 - S3LVDTG120OQPIUCL$

According to paragraph 1, what was the main advantage of the new plow over the scratch plow? A. The new plow created straighter rows. B. The new plow was easier for animals to pull. C. The new plow could dig deeper into the soil. D. The new plow was easier to make.