单项选择题

Our modem civilization must not be thought of as ______ in a short period of time.

A. being created
B. to have been created
C. having been created
D. to be created
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单项选择题
There is a real possibility that these animals could be frightened, ______ a sudden loud noise.
A. being there
B. should there be
C. there was
D. there having been
单项选择题
The most important ______ of his speech was that we should all work wholeheartedly for the people.
A. element
B. spot
C. sense
D. point
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