Answer:
Song-sam feels guilty that he did not have the courage to stay in the village
Explanation:
Hope this helps, and please mark me brainliest if it does!
I believe the answer is B. Nguyen explains how buses reduce traffic by lowering the number of cars on the road.
The passage says “Clearly, buses reduce traffic rather than cause it”. Answer B is the only answer that mentions traffic in a logical way.
I hope this helps!