单项选择题
When the Zodiac killed, he got()
A．scared he would kill again B．worried the police would arrest him C．to feeling very sad D．a great thrill
单项选择题 The 33-year-old case has had more than（）
单项选择题 Kelly Carroll may solve the murders with the use of（）
单项选择题 Paul Stine was a （）
