Which of the following is true about hinged length?

• A. value of moment adjacent to yield zone is more than yield moment up to hinged length of structural member
• B. value of moment adjacent to yield zone is less than yield moment up to hinged length of structural member
• C. value of moment adjacent to yield zone is half the yield moment up to hinged length of structural member
• D. value of moment adjacent to yield zone is equal to yield moment up to hinged length of structural member