Title: Let's Go Ride a Bike!

Introduction: We all spend a lot of time and money getting around, but are we making the best choices when it comes to transportation?

Claim: Riding a bicycle is good for your health, good for your budget, and good for the Earth.

Body paragraph 1: Bicycling has been shown to have numerous health benefits.
Body paragraph 2: Bicycling is beneficial because it provides transportation at almost no cost.
Body paragraph 3: Bicycling cuts down on the environmental pollution caused by driving.

Conclusion: For all these reasons, everyone should give biking a try.

In the essay outlined here, which idea would be most logical to include in body paragraph 1?

A. Over 90 percent of people who have switched to bicycling report that they are happy they made the change.
B. Research has overwhelmingly shown that moderate exercise for as little as 30 minutes a day leads to greatly improved health outcomes.
C. Over 150 million Americans live in areas with unhealthy levels of air pollution.
D. While numerous factors affect weight, the best way to slim down is to watch what you eat.