问题
选择题
Tim Bemers-Lee is generally considered ______ the World Wide Web, on which all the information is shared by all.
A.to have founded
B.having founded
C.founding
D.to found
答案
答案:A
本题考查非谓语动词的用法。根据句意,Tim Bemers-Lee创立万维网应该是过去的事情,而且be considered后面应该用动词不定式,所以应该用to have done,答案为A。