Each of the Following Statements Concerning the Development of the Skull

Each of the following statements concerning the development of the skull is true except that

A) all the bones of the skull develop from one single ossification focus.
B) at birth the cranial bones are connected by areas of fibrous connective tissue.
C) the growth of the cranium is usually coordinated with the growth of the brain.
D) the skulls of infants and adults differ in shape and structure of the skeletal elements.
E) the most significant growth of the skull occurs before the age of 5.