PSAT Reading Question 141: Answer and Explanation

Question: 141

The success of the patient's treatment was due in large part to

• A. studies done on other patients.
• B. research conducted by other doctors in Poland.
• C. many experiments performed on rats.
• D. multiple attempts on various types of animals.

Correct Answer: C

Explanation:

C

Difficulty: Easy

Category: Inference

Getting to the Answer: Skim the passage and look for details about how doctors came to use the treatment described. In paragraph 3, the author explains that the doctors used a technique that was developed during years of research on rats. Therefore, (C) is the correct answer.