选择题```

来源:百度知道 编辑:UC知道 时间:2024/06/05 15:07:01
it is said in the book that thomas edison (1847-1931)____the world leading inventor for sixty years .
a.would be b.has been c.had been d.was
为什么选D不选C?????

in this book中陈述的当然要用一般过去时was

因为thomas edison已经死了,所以要用过去时
C是过去完成时,表示过去的过去,比如
He had left when I went there. 我到那里是过去发生的,而他离开是在我去之前发生。