Which of the Following Statements Best Describes Consistency

Which of the following statements best describes consistency?

A) Consistency is based on the idea that once people make an explicit commitment, they tend to follow through or honor that commitment.
B) Consistency is a principle of influence whereby people determine what is right, correct, or desirable by seeing what others do.
C) Consistency is a principle of influence whereby people think there is limited availability of something they want or need, so they must act quickly.
D) Consistency is based on the idea that people like returning favors.
E) Consistency is based on the idea that different people have different needs that have to be constantly fulfilled.