At age 8, Courtney Montgomery was diagnosed with a condition that causes a thickened heart. Courtney had several surgeries to correct the condition, but her heart was still failing.When she was 16 years old, doctors advised her to undergo a heart transplant, but she refused. The teen had lost faith that her condition could be cured. Doctors decided to try a new strategy to convince her. They introduced Courtney to Josh Winstead, a 17. year-old boy who had suffered from the same heart condition. He had had a transplant at the hospital and was doing well. Courtney and Josh became fast friends, and she changed her mind about the surgery. Do It! Josh showed Courtney how he had __ A forfeited B volunteered C benefited c D contributed D