单选题
According to the passage, the average number of people killed annually in traffic accidents around the world is _________.
【正确答案】
B
【答案解析】[解析] 文中第五段第二行，Every year，cars and trucks worldwide kill an average of 250，000 people．．．，可见每年有250，000人死于车祸。annually意为“每年”。