In appositional growth of cartilage,

Select one:

a. chondroblasts within the tissue proliferate and add more matrix from the inside.

b. new chondrocytes and new matrix are added on the outside of the tissue.

c. osteoblasts replace the chondroblasts.

d. the tissue becomes vascularized in order to grow.

e. the cartilage is replaced with another kind of connective tissue.