The ethmoid sinuses are frequently called the paranasal sinuses because they are not single-paired sinuses but are divided into numerous small compartments.

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.