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Whichoneofthefourchoicescansubstitutetheunderlinedclauseinthefollowingsentence?Methaneuniteswithoxygensothatcarbondioxideandwaterareyielded.

题型：单选题

选项

A. A.to yield carbon dioxide and water

B. B.carbon dioxide and water are yielded

C. C.yielded carbon dioxide and water

D. D.in order to carbon dioxide and water are yielded

正确答案：A