A:a2016(S2016﹣S2015)=0
B:a2016(S2016﹣S2014)=0
C:(a2016﹣a2013)(S2016﹣S2013)=0
D:(a2016﹣a2012)(S2016﹣S2012)=0
①卷石底以出:____ ②为坻,为屿:____
③怡然不动:____ ④俶尔远逝:____
⑤往来翕忽:____ ⑥斗折蛇行:____
⑦犬牙差互:____ ⑧凄神寒骨:____
⑨悄怆幽邃:____ ⑩不可久居:____
⑪乃记之而去:____ ⑫崔氏二小生:____
— lives. We hope there won't be wars any more.