Considering the following pattern 2 x (2 - 1) = 2, 3 x (3 - 1) = 6, 4 x (4 - 1) = 12, 5 x (5 - 1) = 20, the 8th line in the pattern will be

• A. 9 x (9 - 1) = 72
• B. 8 x (8 - 1) = 56
• C. 7 x (8 - 1) = 49
• D. 10 x (10 - 1) = 90