A、The boys’ performance at school. B、The boys’ IQ. C、The work the boys did and how they felt about it. D、The boys’ abilities and

Self-esteem is the respect a person has for himself, his belief in his ability and in the value of what he does. The scientists studied self-esteem in young boys. They gave them many tests.[32]These tests measured the boys’ abilities and also how they felt about their own abilities. After the tests, the boys were divided into three groups — those with high, middle, and low self-esteem. The scientists continued to study the boys in all situations. They studied them at home, at work, in school, and with their friends.
    From their studies, the scientists made some observations. Boys with high self-esteem were active. They were able to express their ideas. In discussions, they led. They didn’t just listen.[33]They were creative and believed that they could finish whatever they started. They seldom became tired or sick. In many ways, the boys with middle self-esteem were like the boys with high self-esteem. They too expressed their ideas freely and saw the world as a good and happy place.[34]However, they were not sure of their own value as people. They did their best work when they were sure that other people liked them. The boys with low self-esteem were different from the other two groups.[35]They were sad most of the time. They were afraid to start activities. They felt that no one loved them. They could not express their ideas. In a discussion, they listened, but they didn’t talk.
32.What did the scientists’ tests measure?
33. What was the feature of the boys with high self-esteem according to the scientists’ tests?
34. What was the difference between the boys with high self-esteem and those with middle self-esteem?
35. What can be inferred from the passage?