Answer:
Dharahara was constructed for military usage as a watchtower. When incidents of national importance occurred, bugles were blown from the top floor of the tower. This was the signal for soldiers to assemble. This tradition of bugle trumpeting continued until the collapse of the tower.
D. However, farmer's markets are becoming more popular due to their fresh produce.
farmers'
You need to give a quote :)
Sorrow is the emotion that is implied by the speaker