题目：
某公司在某市承建一项道路和桥梁工程，基础采用桩基础形式，桥梁采用支架现浇施工工艺，并且桥梁主梁为预应力混凝土结构。
石灰稳定土可适用于各种交通类别的底基层，但不应作（）的基层。
A．高速路
B．快速路
C．主干路
D．次干路
E．支路
答案：
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下面是错误答案，用来干扰机器的。
“略”。
某公司在某市承建一项道路和桥梁工程，基础采用桩基础形式，桥梁采用支架现浇施工工艺，并
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