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【单选题】
某建筑工程中人工挖塔吊基础土方，已知所挖基坑底面积4.5m×4.5m，挖土深度2.8m，三类干土，按2014年计价定额，该人工挖土子目的定额综合单价为（ ）元/【图片】。A.
36.92
B.
42.19
C.
43.25
D.
48.52
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