Question

一Do you know_____________________?

一Of course. John Atanasoff from America.

A.by whom was the first computer invented

B.who the first computer was invented by

C.when was the first computer invented

Answer

B

【解析】

句意：——你知道第一台电脑是由谁发明的吗？——当然，来自美国的约翰·阿塔那索夫。

考查宾语从句。by whom was the first computer invented 句式结构错误；who the first computer was invented by第一台电脑是由谁发明的；when was the first computer invented第一台电脑是什么时候被发明的。根据第一句中you是主语，know是谓语，此处缺宾语，可以用宾语从句充当宾语；根据答句部分“John Atanasoff from America.”可知，此处回答是约翰·阿塔那索夫发明了电脑，选项中the computer invented by后接人，人作宾语，对人提问用疑问词who或者whom，介词by不能放在疑问词前面。故选B。