All of the Following Were Foundations of Roman Law EXCEPT

All of the following were foundations of Roman law EXCEPT

A) the principle that defendants were innocent until proven guilty.
B) the notion that defendants had a right to challenge their accusers before a judge in a court of law.
C) the idea that patricians were exempt from accusation under the law.
D) the ability of judges to set aside laws that were inequitable.
E) a tradition of written law.