Contrary to what some may say, bike-sharing programs are safe. Select the reasons or examples that best support this topic sentence. Group of answer choices One study found that only thirty percent of riders participating in a bike-share program in Washington, D.C., wore helmets, as compared with seventy percent of riders who owned their own bikes. A caller to a radio program about bike-sharing programs said, "Bike-sharing programs allow people who may not own bicycles a transportation option that lets them get physical exercise while reducing carbon emissions." A team of Seattle-based researchers found that cities that adopted bike- sharing programs saw cyclist injuries decrease by twenty-eight percent