在下面一段文字横线处填入语句，衔接最恰当的一项是（ ）。（2分）
敦煌，这个西北边陲戈壁深处的城市，却积淀了一千多年灿烂的文化。千年前敦煌因使臣、僧侣和商队云集而经济兴盛、艺术繁荣，四百多个洞窟中四万多平方米的壁画，______，_______。________，________，______，_________。如今，敦煌艺术依然默默地穿越历史时空释放着耀眼的光芒。
①微启的嘴唇似乎在悠然轻唱
②衣裙巾带在风中飘曳飞舞
③用笔奔放传神
④尤其那些凌空起舞的飞天
⑤好一派清歌妙舞的极乐世界
⑥构图气势雄伟

(单选题)______ I arrived earlier, I could have caught that bus. (单选题)If we ______ hard in the past few years, things ______ to sm (单选题)Hardly ______ when a student came to visit her. (单选题)My mother thought I can’t take care of myself, so she didn’t (单选题)While Ariel ______ some washing, I ______ with Rames. (单选题)I’ve had a rough idea of my vacation plan and tomorrow I’ll (单选题)It was Li Ming ______ I met at the railway station yesterday (单选题)There ______ no life on the moon. (单选题)Chinese dishes ______ exquisitely prepared, delicious and ve (单选题)画家鲁本斯是欧洲美术史上（ ）美术风格的代表人物。