现在进行时表将来的用法 — 英语选择题
题目
Ben 的周末安排已确定：周六上午他要去数码展，周日晚上他计划和网友视频聊天。下列哪句正确使用了现在进行时表将来？A. Ben is going to the digital exhibition on Saturday morning. B. Ben goes to the digital exhibition every Saturday morning. C. Ben went to the digital exhibition last Saturday. D. Ben was going to the digital exhibition at that time.