As a Bone Increases in Diameter,what Happens to the Medullary

Multiple Choice

As a bone increases in diameter,what happens to the medullary cavity?

A) The medullary cavity increases in diameter because bone matrix is removed by osteoblasts.
B) The medullary cavity increases in diameter because bone matrix is removed by osteoclasts.
C) The medullary cavity decreases in diameter because bone matrix is added by osteoclasts.
D) The medullary cavity decreases in diameter because bone matrix is added by osteoblasts.
E) The medullary cavity diameter does not change but fills in with more bone marrow.