Tooth eruption is dependent on the dental sac because this structure plays a role in the formation of cementum,the periodontal ligament,and alveolar bone.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.