The features of the floor of the Kasei Valles on Mars look just like those at the base of Antarctic ice streams, so it suggests that possibly it was flowing ice that carved the giant Martian channels previously attributed to cataclysmic floods.
The features of the floor of the Kasei Valles on Mars look just like those at the base of Antarctic ice streams, so it suggests that possibly it was flowing ice that carved the giant Martian channels previously attributed to cataclysmic floods.
(A) so it suggests that possibly it was flowing ice that (B) a suggestion that flowing ice may have (C) to suggest flowing ice as possibly having (D) suggesting that flowing ice may have (E) which is suggestive of flowing ice having possibly 答案选D, suggesting that ......在这里到底是做前面动作look like的伴随状语还是前面整句话的结果状语?