Which of the Following Is a True Statement

Multiple Choice

Which of the following is a true statement?

A) The developer-as-artist systems development era was marked by a lack of documentation and development tools and by a high degree of dependence on the developer for the continued ongoing operation of the system he or she had created.
B) During the developer-as-engineer systems development era, principles from engineering were applied to development.
C) The Agile Methodologies era favors close cooperation between developers and clients.
D) All of the above are correct.
E) None of the above is correct.