哪些行动会触发销售线索评分？请选择所有适用选项。

Lead scoring assigns points to prospects based on their engagement and demographic information, indicating their likelihood to become customers. All listed actions are strong indicators of interest and intent, thus triggering lead scoring. Registering for an event or webinar shows active engagement with your brand. Requesting contact with sales is a direct expression of purchase intent. Requesting specific content suggests a deeper interest in your offerings, beyond casual browsing. Registering for a trial demonstrates a desire to experience your product or service firsthand. These actions signal that a lead is progressing through the sales funnel and warrants further attention.