Which Statement About Cartilage Is True

Which statement about cartilage is true?

A) During development in all vertebrates, embryonic cartilage is gradually replaced by bone.
B) It has an extracellular matrix primarily of fatty acids and carbohydrates.
C) Its matrix is secreted by osteoblasts and osteocytes.
D) Fibrous collagen is found throughout the extracellular matrix.
E) Its matrix is soft so it is not found in places where stiffness and resiliency are required.