单选题 When you go by bus in England, you must be careful because ______. [A] you may go the wrong way. [B] three are too many buses there. [C] there are big buses with two floors.
【正确答案】 A
【答案解析】[考点] 细节题 [解析] 从第3段第1句、第3句可知当你在英国乘公交车时，你必须小心因为你可能坐错方向。