单选题
A、
a safe place across a road for pedestrians to walk across the road
B、
a wild animal from Africa that looks like a horse with broad dark brown and white stripes (条纹) on its body
C、
a safe place across a road for a zebra to walk across the road
D、
a safe place across a road for children to play a game
【正确答案】
A
【答案解析】
[解析]从文章第二段第一句：These bridges is used to enable pedestrains to cross roads safely．得知。故本题答案为A。
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