executed? (A) {{1, 4, 7}, {4, 5, 8}, {7, 8, 9}} (B) {{1, 4, 7}, {2, 5, 8}, {3, 6, 9}} (C) {{1, 2, 3}, {2, 5, 6}, {3, 6, 9}} (D) {{9, 6, 3}, {8, 5, 6}, {7, 8, 9}} (E) {{1, 2, 3}, {4, 5, 2}, {7, 4, 1}}