Respuesta :
The sentence could effectively be places in a summary of Chapter 4 of Wheels of Change because it expresses a key idea objectively is "In the 1880s and 1890s, female bicycle racers faces a variety of opponents, including makes, horses, and an occasional dog."
The answer is:
B) Women bicycle riders were often very competitive with each other, and many rivalries arose as a result of this competitive spirit.
Hope it helps!