The correct answer is "b. work value". Work value is what people expect to achieve from a working experience.
Work values may differ from person to person, but they can be defined as the goals people expect to achieve, motivations that can be extrinsic or intrinsic and a set of beliefs that are important to define who and how a person is inside the work place. These beliefs and values may determine what jobs a person may choose or which jobs people may avoid.
Different work values can be safety conditions, money, personal growth, honesty, success, respect for others, etc.