题目内容：

Our modern civilization must not be thought of as ___in a short period of time.
A to be created
B having created
C being created
D to have been created

优质解答

A
本局意思应该是 文明化不应该被认为是很短时间就能完成的.
to be created 表示一定程度的将来情况,其它的都不行.