Which of the Following Is a Reason That Public Administrators

Which of the following is a reason that public administrators should understand the Constitution according to David H. Rosenbloom?

A) So that managerial and political approaches are compatible with constitutional principles and values.
B) Oaths to support the Constitution may be more important than routine administrative functions.
C) Public administrators may be personally liable for civil damages if they act in contravention to the Constitution.
D) All of the above are reasons that public administrators should understand the Constitution.