TN20-17 (GWD30-Q17) By the same techniques used for genetically enhancing plants, making them -------------------------------------------------------------------------- disease- or pest-resistant, researchers have been able to increase the amount of protein in potatoes, sweet potatoes, and tobacco. A)By the same techniques used for genetically enhancing plants,making them B)With the same techniques to genetically enhance plants, so that they are C)Employing the same techniques used to genetically enhance plants so that they are D)Employing the same techniques to genetically enhance plants, which makes them E)Employing the same techniques for genetically enhancing plants that make them 答案不確定是哪一個， TN的答案是B，ChaseDream上蠻多討論說是E，兩年多前補習時老師說是D 想請大家一起來討論，謝謝。 列出ChaseDream上的部分討論內容 C) employ 和 use 的意思重複，so that用法奇怪 D) which和them的指代問題，ChaseDream上說意思很不清楚，但是補習班老師說非限定用 法的關係代名詞指前一句話，在這裡which是指Employing....plants，而them是指 plants E) 補習班老師說應該用to engance，但是ChaseDream上認為for enhancing限定性修釋 techniques，在這裡比to enhance好，而that是指techniques --

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