The second sentence (B.) should come last in a paragraph.
Over 13 hours to watch all of them.
The incorrect word is A) mustn´t
I hope this helped
The two words Bradbury uses repeatedly in this scene are "The beetle". The repetition adds to the suspense of the scene. Each time "the beetle" is repeated the reader can feel the car getting closer and closer. Because the sentences are very short and similarly structured, they speed up the pace of the scene just like the car is picking up speed.