It is said in the book that Thomas Edison (1874–1931) _______ the world leading inventor for sixty years.
A. would be B. has been C. had been D. was
It is said in the book that Thomas Edison (1874–1931) _______ the world leading inventor for sixty years.
A. would be B. has been C. had been D. was
D
爱迪生已经于1931年去世,所以“爱迪生是世界上最重要的发明家”是一个纯过去的叙述,与现在时间没有关系。