What Are the Coordination Numbers of Ti⁴⁺ and O^{2 -}

What are the coordination numbers of Ti⁴⁺ and O^{2 -} ,respectively,in rutile? The unit cell is shown below.

A) 4 and 3
B) 6 and 4
C) 3 and 6
D) 6 and 6
E) 6 and 3