单选题:结构疏松、孔隙发育,水浸湿后强度迅速降低,产生较大变形的土是(  )。

题目内容:
结构疏松、孔隙发育,水浸湿后强度迅速降低,产生较大变形的土是(  )。 A.湿陷性黄土
B.膨胀土
C.淤泥质土
D.粉性土

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