Which Statement A-D Does Not Describe a Simple Cubic Unit

Multiple Choice

Which statement A-D does not describe a simple cubic unit cell?

A) It results from square packing of atoms in layers.
B) The atoms lie at the corners of a cube.
C) Each atom has 6 nearest neighbors.
D) The stacking pattern can be represented by aaaa.
E) Statements A-D all correctly describe a simple cubic unit cell.