What Is Meant by the Term 'Value Priorities

What is meant by the term 'value priorities'?

A) that we only ever behave in ways consistent with those values important to us
B) that we should constantly re-evaluate which values are important to us
C) that our values are ordered in terms of their importance to us in guiding us through life
D) that we change which values are important to us to suit the situation in which we find ourselves