!Question: There is no exact data on the life span of a wild wolf. Then how long does a wolf in the zoo normally live? [Quest 419_GetAPet wrong|3-6 years] [Quest 419_GetAPet wrong|6-9 years] [Quest 419_GetAPet wrong|9-12 years] [Quest 419_GetAPet right|12-15 years] [Quest 419_GetAPet wrong|No answer]