Which statement best indicates the author's viewpoint of Daniel Hale Williams and his contribution to medicine in "Healing a Wounded Heart: Daniel Hale Williams"? "Dr. Williams had given him back his life. In the process, he became the first doctor to perform successful heart surgery."

"He worked at the South Side Dispensary, where he was often called upon to make use of his skills in surgery."

"He remained committed to his belief that all people deserve quality health care."

"He worked hard to become a doctor at a time when the doors of the medical profession were generally closed to African Americans."