In which of the following patterns, the carbon layers are arranged in the graphite potassium structure, C8K?

In which of the following patterns, the carbon layers are arranged in

1.	In which of the following patterns, the carbon layers are arranged in the graphite potassium structure, C₈K?
A.	AAAAAA
B.	ABABAB
C.	ABCABC
D.	CBACBA
Answer» B. ABABAB