Which is an active-listening technique?

1. Active-listening techniques include maintaining eye contact. 2. They also include minimising distractions and seeking clarification when necessary. 3. Interrupting, finishing lines and glancing at the phone are distractions or barriers. **Why not the others:** Interrupting the speaker, finishing the speaker's lines and glancing at the phone are barriers to active listening. _Source: Wikipedia, "Active listening", section "Techniques of active listening" (revision 1373877374)_