单选题 Read the following excerption and answer the questions: My God, Hester, you're eighty-odd thousand to the good , and a poor devil of a son to the bad . But, poor devil, poor devil, he's best gone out of a life where he rides his rocking-horse to find a winner小题:What does the sentence "he's best gone out of a life where he rides his rocking-horse to find a winner." mean