Our civilization cannot be thought of as

Our civilization cannot be thought of as ______ in a short period of time.

to have been created

to be created

having been created

being created

答案及解析：本题考查非谓语C选项，句意：不应把我们的文明看作是短期内创造出来的。as 在这里是介词，后面应接名词性质的词，create的动作是过去发生的，所以选C项。A，选项，根据as是介词，后面接名词性质的词，故排除。B，选项，根据as是介词，后面接名词性质的词，故排除。D，选项，与题意不符，故排除。故正确答案为C选项。