单选题:通过加固基坑周边土形成一定厚度的重力式墙,从而达到挡土目的的基坑(槽)支护结构是(  )。

题目内容:
通过加固基坑周边土形成一定厚度的重力式墙,从而达到挡土目的的基坑(槽)支护结构是(  )。 A.横撑式支护结构
B.悬臂式支护结构
C.板式支护结构
D.重力式支护结构

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