逻辑为王 哎~ 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.
C.Employing the same techniques used to genetically enhance plants so that they are 采用相同技术去提升植物以便他们可以防病虫害 they指代不可能是techniques 因为采用技术不是让技术防虫害 E.(Employing the same techniques for genetically enhancing plants) that make them 采用相同技术为提升植物, 是植物使自己防虫害,还是(技术为提升植物)这个事让植物防虫害,还是技术使技术防虫害