请教OG语法~

陌下清风

The peaks of a mountain range, acting like rocks in a streambed, produce ripples in the air flowing over them; the
  resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving
  rapidly, are known as "standing waves."
   (A) crests and troughs that remain stationary although the air that forms them is moving rapidly, are
   (B) crests and troughs that remain stationary although they are formed by rapidly moving air, are
   (C) crests and troughs that remain stationary although the air that forms them is moving rapidly, is
   (D) stationary crests and troughs although the air that forms them is rapidly moving, are
   (E) stationary crests and troughs although they are formed by rapidly moving air, is

这道题的E选项为什么不对呢？OG后面的解释我没看明白....不会是因为用了被动语态吧....希望有人帮我解释解释~谢谢~

fly12404

ｒｅｍａｉｎ　有強調維持的感覺　
之前到現在一直都為此狀態的感覺
但這狀態是可以變的

然而Ｅ　省去了ｒｅｍａｉｎ直接做修飾
把此形容變成一個屬性
意思就有改變了

個人觀點　如有誤　歡迎討論