The correct answer is C) They help citizens shop for health insurance.
Under the Affordable Care Act, the role of health insurance exchanges helps citizens shop for health insurance.
The role of health insurance exchanges under the Affordable Care Act allows patients in the United States to compare the options of the many health insurance companies in the market. With this help, people can compare the distinct coverages that the companies offer and the citizens can make a better decision that is affordable to their economic situation.