题目内容：
根据短文，回答题
How many people in the front of the vehicles are killed or seriously injured every year?
[ A ] 30,000.
[ B ] 60,000.
[ C ] Approximately 30,000.
[ D ] Above 30,000.
参考答案：
答案解析：
单选题：根据短文，回答题How many people in the front of the vehicles are kil
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How many people in the front of the vehicles are killed or seriously injured every year?
[ A ] 30,000.
[ B ] 60,000.
[ C ] Approximately 30,000.
[ D ] Above 30,000.