--- Has the Wuhan-Guangzhou high-speed railway been put into use?
--- Yes. The last train for Guangzhou ______ at seven fifteen in the evening.A.has leftB.leavesC.was leftD.will leave
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B解析考查时态;句意是：武汉到广州的高铁投入运营了吗？--是的，最后一班到广州的火车晚上7点一刻离开。表示：按时刻表将要…,用一般现在时代替将来事。选B。