GWD..一起讨论下

sarah_kim

Gas hydrates, chemical compounds of water and natural gas, are increasingly being studied for their potential to be huge reservoirs of energy, possibly causing sea floor instability, and significant contributors to global warming.

	to be huge reservoirs of energy, possibly causing sea floor instability, and
	to be huge reservoirs of energy, possibly causing sea floor instability, and even as
	as huge reservoirs of energy, possibly causing sea floor instability, and
	as huge reservoirs of energy, and the possible cause of sea floor instability,
	as huge reservoirs of energy, as possible causes of sea floor instability, and even as 答案A,我觉得B里的AS，导致更和后面的语义协调，不知道为什么B不如A。。。

cedricwen

and even as 显得wordy
结构应该是 a,b,and c