SAT English Practice Question

The passage describes a study that was conducted to evaluate the effectiveness of a new drug in treating a particular type of cancer. The study involved a control group of patients who did not receive the drug, and a treatment group of patients who did. The study found that the treatment group had a significantly lower rate of tumor growth than the control group. However, the study also found that the treatment group experienced a higher rate of side effects than the control group. The researchers concluded that the drug was effective in slowing tumor growth, but they also recommended that further research be conducted to better understand the potential side effects of the drug.

1. A.The researchers were concerned that the drug might have other, unknown side effects.
2. B.The researchers wanted to determine if the drug could be used to treat other types of cancer.
3. C.The researchers needed to confirm that the drug was safe for long-term use.
4. D.The researchers wanted to see if the drug could be combined with other cancer treatments.