(A) was the area behind the trenches.
(B) was the area next to the trenches.
(C) was the area below the trenches.
(D) ** was the area between the trenches.
EXPLANATIONS BELOW
Concept note-1: -the narrow, muddy, treeless stretch of land, characterized by numerous shell holes, that separated German and Allied trenches during the First World War. Being in No Man’s Land was considered very dangerous since it offered little or no protection for soldiers.
Concept note-2: -The Legend of What Actually Lived in the “No Man’s Land” Between World War I’s Trenches. During World War I, No Man’s Land was both an actual and a metaphorical space. It separated the front lines of the opposing armies and was perhaps the only location where enemy troops could meet without hostility.
Concept note-3: -No Man’s Land is the term used by soldiers to describe the ground between the two opposing trenches. Its width along the Western Front could vary a great deal. The average distance in most sectors was about 250 yards (230 metres).