The correct options are
A It is soft and can be bent
D Cartilage is present in the upper part of the ear.
Cartilage is the component of the skeletal system. A combination of bones and cartilages form the skeleton of the human body. Cartilage is not as hard as the bones and can be bent. They are also present in the joints of the body. Cartilage is present in the upper part of the ear, ear lobe, nose tip, etc.