Question

which action by one of the students is most disruptive to the discussion? one listener interrupts the speaker by inserting an opinion. one student laughs at the opinion presented by another student. one listener maintains eye contact with the speaker. the teacher calls on the next student to express a viewpoint.

Explanation:

Interrupting a speaker by inserting an opinion breaks the flow of the speaker's thoughts and disrupts the discussion. Maintaining eye - contact is positive, laughing can be disrespectful but not as immediately disruptive as interrupting, and the teacher calling on the next student is a normal part of a discussion.

Answer:

One listener interrupts the speaker by inserting an opinion.