对于用来报告客户奖励计划的会员状态数据的自定义维度，您应该设置下面哪个范围？

For a custom dimension reporting membership status in a customer rewards program, you should set the scope to user-level. Membership status is a characteristic that applies to a user across all their sessions and interactions with your site or app. User-level scope ensures that once this data is collected for a user, it's associated with that user for all their current and future hits. Setting a session-level scope would mean the membership status is only valid for a single session, which isn't accurate if the user remains a member across multiple visits. Product-level scope is for attributes related to specific products, not user characteristics. Event-level scope is for data specific to a single event, which would require sending the membership status with every event, making it less efficient and potentially inaccurate for user-centric analysis.