7. Amy is a 11-year-old girl. On her birthday, Uncle Tom gives her a baby doll as birthday gift. According to Chinese civil law, which of the followings is correct? ( ) A. Amy cannot accept the gift because it is pure profit. B. Amy cannot accept the gift because Amy does not have the capacity to accept it. C. Uncle Tom can ask Amy to return the doll if Amy's parents do not say anything about whether they accept the doll. D. Uncle Tom cannot ask Amy to return the doll because the doll has already been given to Amy. 8. A borrowed 1000 RMB from B on May1, 2021. A and B agrees that A shall pay back the money before July 1, 2021. A does not pay back. On June 1, 2024, B asks A to pay the money. A says: "I would like to pay you only 500 ." How much does A need to pay? A. nothing B. 1500 C. 1000 D. 500