单选题 A long line of traffic had to wait at the ______ until the train had passed.
【正确答案】 C
【答案解析】crossroad意为“十字路口,交叉路”;junction意为“汇合点,连节处”;level-crossing意为“(铁路与公路、人行道等或两条铁路的)平面交叉处,道口”;bridge意为“桥梁”。