第1题: [单项选择]He abandoned a career that ______ to his becoming one of the most influential people in the world. A. could have led B. will lead C. should have led D. must lead 参考答案:A 答案解析:这里虚拟语气对过去事情进行假设,表示“应该做而没有做,如果做了就会……”。用“would/could+have+过去分词”的结构。句意为:“他放弃了原本可以使他成为世界上最具影响力的人物之一的事业。”