Which One of the Following Is True

Which one of the following is true?

A) Osteoblasts are large, multinucleated cells that break down calcified bone matrix.
B) Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.
C) Osteoclasts secrete bone matrix and become osteoblasts.
D) Osteoclasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.