单选题 He will come to see us when he ______.
A. arrives B. has arrived C. will arrive D. would arrive

【正确答案】 A
【答案解析】[解析] 在when,until,as soon as等引导的时间状语从句中可用一般现在时来表示将来要发生的动作。例如:I'll write to you when I get to Beijing. 我到北京就给你写信。由此可见A项为正确答案。