随着2016版GMAT官方指南的发布，GMAT句子改错也出现了新的题目供大家参考。小编在此与大家分享新GMAT OG句子改错的新题目，希望对各位备考GMAT SC题目有所帮助。

　　66. Covering 71 percent of Earth’s surface, the oceans play an essential role in maintaining the conditions for human existence on land, moderating temperature by the absorption of heat and carbon dioxide, and giving pure water back to the atmosphere through evaporation.

　　(A) Covering 71 percent of Earth’s surface, the oceans play an essential role in maintaining the conditions for human existence on land, moderating

　　(B) Covering 71 percent of Earth’s surface and playing an essential role in maintaining the conditions for human existence on land, the ocean moderate

　　(C) The oceans cover 71 percent of Earth’s surface and play an essential role in maintaining conditions for human existence on land, and by moderating

　　(D) The oceans cover 71 percent of Earth’s surface, play an essential role in maintaining the conditions for human existence on land, and moderate

　　(E) The oceans cover 71 percent of Earth’s surface, playing an essential role in maintaining the conditions for human existence on land, and they moderate

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