Question

It is said in the book that Tomas Edison （1847-1931） _______ the world leading inventor for thi.

It is said in the book that Tomas Edison （1847-1931） _______ the world leading inventor for thirty years． A．would be B．has been C．was D．had been

Answer 1

C

考查时态。根据句意可知书中陈述的事实为过去发生的，故用一般过去时，选C。