Answer:
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Step-by-step explanation: whehussjjsjajaajsnbsbsbzxbbxxb
No one knows the origin, perhaps used by early man to explain the glorious deeds of heroes, almost five thousand years old.
The correct answer is D.
Stream of conscious narration is an example of experimentation in American modernism. The other techniques were commonly used long before the advent of modernism and would not be examples of experimentation.