单项选择题

15 years later, researcher Raul Huseman ______.

A．couldn't contact 80% of the original subjects
B．talked to some young adults in their mid-twenties
C．got in touch with most of those involved in the study
D．checked the criminal records of the original subjects

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单项选择题

The young adults who used to be aggressive but didn't watch much violent TV in childhood ______.

A．turned out to be even more aggressive
B．were less likely to get involved in crime
C．showed a tendency to steal and fight aggressively
D．became less aggressive than those watching violent TV shows in childhood