Choose the correct statements from the following:1. A stable and statically determinate real beam will have a stable and statically determinate conjugate beam.2. A statically indeterminate real beam will have unstable conjugate beam.3. A statically indeterminate conjugate beam is unstable real beam.The correct answer is

• A. 1 and 3
• B. 2 and 3
• C. 1 and 2
• D. 1, 2 and 3