Which of the following about the survey conducted by North West Motoring Association is CO

Which of the following about the survey conducted by North West Motoring Association is CORRECT？

A．The coverage of the survey is very limited.

B．Most of interviewees have felt road rage.

C．68% of traffic accidents were caused by road rage.

D．23% of motorists die on American roads each year.

请帮忙给出正确答案和分析，谢谢！