B. THIS PASSAGE IS ABOUT THE HISTORY OF BICYCLES. IT DOES DESCRIBE...

1. b. This passage is about the history of bicycles. It does describe several different kinds of bicycles(choice a), but these descriptions are in the context of how the bicycle has evolved over time. There isno discussion of how to ride a bicycle, so choice cis incorrect. While some of the developments inbicycle design were improved safety features, the passage does not provide information on riding bicy-cles safely (choice d).