95.管道敷设在电阻率为5~2OΩ·m,含盐量为0.05%~0.75%和含水为( )的腐蚀性较高的泥土中时,应采用加强防腐层
A.5%~10%
B.5%~12%
C.5%~14%
D.5%~16%
正确答案是B