The correct option is B Cartilage
The tibia an femur are bones of the legs which come together at the knee which is the largest joint in the human body. The knee joint is made up of four bones femur, tibia fibula, and patella that are connected through muscles, ligaments, and tendons. Cartilage or menisci is a structure that is present between the femur and tibia which acts as shock absorber to the knee during weight-bearing activities and gives knee its stability