A. M 2.5M5M 7.5M10M15M20 B. M1M5M 7.5M10M15M20 C. M 2.5M5M7.5M10M16M20 D. M 2.5M5M10M15M20M25
A. O(0) B. O(1) C. O(n) D. O(n2)