4 Answer
(Choose 1 answer)
When does the advertisement really exist in mass communication?
A. After Gutenberg's invention of movable type in the mid - fifteen century
B. After Gutenberg's invention of movable type in the mid - sixteenth century
C. After Gutenberg's invention of movable type in the mid - seventeenth century
D. After Gutenberg's invention of movable type in the mid - eighteenth century
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