When Berger & Luckman said that reality is socially constructed they meant ?

• A. scientists are guided in their work by social values and interests, so they define and measure phenomena that will support their theories
• B. people negotiate shared definitions of their situation and live according to these often forgetting that these social worlds are not fixed and externa
• C. sociologists decide what constitutes social reality and measure only that
• D. terms like reality have no deeper meaning beyond the level of discourse