A.
Proximity,Similarity,Continuity,Closure,Symmetry,Number/Ground,and Common Fate.
B.
Proximity,Similarity,Continuity,Closure,Symmetry,Figure/Ground,and Common Fate.
C.
Proximity,Similarity,Continuity,Closure,Separation,Figure/Ground,and Common Fate.
D.
Proximity,Similarity,Copyright,Closure,Symmetry,Figure/Ground,and Common Fate.