单选题Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in（）.Asoft mudBsandCsiltDsoft to firm clays
单选题
Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in（）.
A
soft mud
B
sand
C
silt
D
soft to firm clays
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