Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Which of the following is NOT the accurate about Standards of conduct?
Option A:The role of Standards of conduct serves as benchmark for the minimally acceptable behavior required of members of a group
Option B:Standards of conduct are general guide regrading proper conduct by members of group
Option C:Standards of conduct expand on their code of ethics

Answer: B