1. **Problem statement:** Lisa has the digits 2, 0, 2, and 5 and wants to form the largest possible number using these digits. 2. **Formula and rules:** To form the largest number from given digits, arrange them in descending order from left to right. 3. **Step-by-step solution:** - The digits are 2, 0, 2, 5. - Arrange in descending order: 5, 2, 2, 0. - The number formed is 5220. 4. **Check options:** (A) 2502 (B) 5202 (C) 5220 (D) 5502 (not possible, digit 5 appears twice but only one 5 is given) (E) 5520 (not possible, digit 5 appears twice) 5. **Final answer:** The largest number Lisa can form is **5220** (option C).