Genetic engineering sometimes entails plant or animal genes' getting spliced into other species' DNA, either to improve crop yields or for warding off insects or disease.
plant or animal genes' getting spliced into other species' DNA, either to improve crop yields or for warding off
plant or animal genes that get spliced into the DNA of other species, either for improving crop yields or the warding off of
the splicing of plant or animal genes into other species' DNA, to either improve crop yields or to ward off
splicing plant or animal genes into the DNA of other species, either to improve crop yields or to ward off
splicing of plant or animal genes into the DNA of other species, for either the improvement of crop yields or to ward off
AB的关键词在于plant or animal genes,文章想表示的是entail splicing这个事情, 错误,且A for doing和to do不能平行
C: ethie 处平行错误
D: 正确
E: ethie 处平行错误
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