Read the introductory paragraph from a rhetorical text.

(1) The backyard of a city apartment building is not the first place one might expect to find a chicken coop, but so-called "urban farming” has caught on in recent years as people embrace the benefits of eating local. (2) However, raising backyard chickens can be a significant health risk for the surrounding community. (3) Cities need to relearn the lessons of the early 20th century and ban the raising of chickens in urban settings.

Which sentence should the writer insert after sentence 1 to provide the most relevant and useful background information for readers?

a. The idea of raising chickens and eating fresh eggs every day appeals to some people.
b. Imagine waking up in a busy city to the sound of roosters crowing a “good morning.”
c. In fact, a recent review of urban poultry ordinances in the United States found that 93 percent of the 150 most populous US cities allow backyard poultry.
d. There are many different chicken breeds available for backyard farmers including common Leghorns or Rhode Island Reds as well as more exotic breeds such as the Jersey Giant.