The staff readings taken at stations A, B, C, D from a single setup of the level are 0.535, 1.105, 2.155, 1.785. The station B is:
ABelow A and D
BAbove Cand D
CBetween C and D
DNone of the above

ABelow A and D
BAbove Cand D
CBetween C and D
DNone of the above
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