What does "code" in line 7 mean

A．They regard honor as less important than loyalty.
B．More and more people have a respect for reputation.
C．There is no sense of honor after World War II.
D．People kept the sense of honor for something in return.

A．No one fights to protect his reputation today.
B．People are more consciences in the politics of their company and government.
C．People are becoming indifferent of the sense of honor.
D．People have a clear standard of honor today;