Charles Babbage is generally considered the first puter.
A. to invent
B. inventing
C. to have invented
D. having invented
网友回答
A. to invent
B. inventing
(答案→)C. to have invented
D. having invented
解析:考查固定句型:Sb/sth is considered to do/to have done 被认为要做…/做了某事, 首先是不定式,其次在不定式中要表示过去发生的动作则用完成时态,如果仅用to do,通常则表示尚未或将要发生的动作。句意:Charles Babbage被普遍认为发明了第一台电脑。选C。