`{:("Column I (Crystal)" , "Column II (Crystal system)"),("(A)" "CuSO"_(4).5 H_(2)O, "(p) Hexagonal"),("(B)" Na_(2)SO_(4).10 H_(2)O, "(q) Cubic"),("(C) Dimaond" , "(r) Monoclinic"),(" (D) Graphite" , "(s) Triclinic"):}`
A. A-r,B-s, C-p, D-q
B. A-s, B-r, C-q, D-p
C. A-r,B-p , C-q , D-s
D. A-p , B-q , C-r , D-s
