I'm guessing b. because then those senses help us visualize in our head. I don't know really could be wrong but, hope it helped.
Answer:
A. one student asks the group a question.
Explanation:
Because once that person asked the question others will start adding to it and putting idea in to it
Hope This Helped
Explanation:
wait wait where is the bar graph
Answer:
not enough info. sorry i cant help