题干
_____ has already been pointed out, grammar is not a set of dead rules.
A：As
B：It
C：That
D：Which
答案(点此获取答案解析）
A
缠绕……因为上帝创造星辰闪耀，因为上帝创造常春藤缠绕……”美国一位著名科普作家这样改动了歌词:“核聚变让星辰闪耀，向性运动让常春藤缠绕……”这一改动
反映了