Correct option is B
The teacher asks students to complete the table based on the audio.
To assess listening skills, an effective activity would be one where students have to listen attentively and understand the information to complete a task. Having students listen to an audio clip and then complete a table based on what they heard directly assesses their ability to comprehend and process spoken language. This task requires focus, understanding, and the ability to recall and organize information, all of which are key components of listening skills.