单项选择题
The 33-year-old case has had more than（）
A．250 suspects and tips B．2,050 tips C．2,500 tips and suspects D．25,000 calls and letters
单项选择题 Kelly Carroll may solve the murders with the use of（）
单项选择题 Paul Stine was a （）
单项选择题 Ryan Stewart （）
