Question

fahrenheit 451(excerpt)
ray bradbury
“when did it all start, you ask. this job of ours, how did it come about, when, where? well, i’d say it really got started around about a thing called the civil war. even though our rule - book claims it was founded earlier. the fact is we didn’t get along well until photography came into its own. then — motion pictures in the early twentieth century. radio. television. things began to have mass.”
montag sat in bed, not moving.
“and because they had mass, they became simpler,” said beatty. “once, books appealed to a few people, here, there, everywhere. they could afford to be different. the world was roomy. but then the world got full of eyes and elbows and mouths. double, triple, quadruple population. films and radios, magazines, books levelled down to a sort of paste - pudding norm. do you follow me?”
“fun’s a...”
beatty peered at the smoke pattern he had put on the air.
“sixteenth - century man with his horses, dogs, carts, slow motion. then, in the twentieth century, speed up your camera. books cut shorter. condensations. digests. tabloids. everything
complete the sentence based on your understanding of the passage.
the author primarily uses

exposition
dialogue
stage direction
flashback
to advance the plot in this excerpt.

Explanation:

The excerpt uses back-and-forth conversation between Montag and Beatty to explain the origins of their job and the societal shift that led to book burning. This dialogue drives the plot forward by revealing key context and world-building details.

Answer:

dialogue