I was surfing the Internet of successful rendezvous and docking of Shenzhou-VIII and Tiang

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(答案→)A. when suddenly came the good news
B. while the good news came suddenly
C. when suddenly did the good news e
D. while suddenly came the good news
解析：考查固定句式和倒装句。固定句式：be doing sth when…正在做某事在这时…(发生了意料之外的事情)；第二空考查了倒装句,当副词提前到句首，句子的主语是名词的时候，使用全部倒装的形式，本题的suddenly放在句首，主语是名词the good news.句意：我正在上网，在这时神州9号和天宫一号成功对接的消息传了过来。故A正确。