The three major ways of providing indigents with court appointed attorneys are: (1) assigned counsel, (2) contract systems, and (3) public defender. Which of the following is true about these differing ways of providing indigents with court appointed attorneys?

A. Studies find no major differences between these three systems in results achieved.
B. Studies find contract systems are better in results achieved.
C. Studies find assigned counsel is better in results achieved.
D. Studies find public defenders are better in results achieved.