问题
完形填空
________(drive) by a greater demand for green products, the food company has set higher standards to ensure the quality.
答案
Driven
考查非谓语动词。句意：绿色食品的巨大需求促使食品公司制订了更高的标准以保证质量。动词drive与其逻辑主语the food company之间为动宾关系，因此应该使用过去分词。