These all are correct. I also wrote the same.Bike name Cxxx- popular toy - question paraphrased as nothing more than a fun item
Bike name Dxx - trendsetting people used them - question paraphrased as a popular item for fashionable people
Bike name Vxx - i think this was unstable mentioned in the last couple of lines as para C
Bike name Macmillan - put foot paddles - question paraphrased as changed the way bicycles were run