Answer :
The Justinian code was significant because it was one of the first sets of laws that governed a whole country and introduced the idea of fines as punishment.
If the choices are:
A. it was the first written constitution to protect citizens' rights.
B. it preserved Roman laws and influenced legal systems of the Middle Ages.
C. it established the principle of separation of church and state.
D. it stated that the emperor had to follow the same laws that the people did.
The correct answer is: B