钢筋混凝土板的截面如右图所示，其最小配筋率为0.31%；经计算板的弯矩配筋面积A=386mm/m；板的实际配筋应取( )。

• A.<img src="https://timg.fentiku.com/97/2016/12/22/UUYUfESpsV.png" title='UUYUfESpsV.png' alt='UUYUfESpsV.png'/>10@200(A<img src="https://timg.fentiku.com/97/2016/12/22/s1MJP95Ujr.png" title='s1MJP95Ujr.png' alt='s1MJP95Ujr.png'/>=393mm<img src="https://timg.fentiku.com/97/2016/12/22/abF5cKYinz.png" title='abF5cKYinz.png' alt='abF5cKYinz.png'/>/m)
• B.<img src="https://timg.fentiku.com/97/2016/12/22/ktgpp5O1Cv.png" title='ktgpp5O1Cv.png' alt='ktgpp5O1Cv.png'/>10@180(A<img src="https://timg.fentiku.com/97/2016/12/22/jom4sfjjnX.png" title='jom4sfjjnX.png' alt='jom4sfjjnX.png'/>=436mm<img src="https://timg.fentiku.com/97/2016/12/22/WDnKPBJKzP.png" title='WDnKPBJKzP.png' alt='WDnKPBJKzP.png'/>/m)
• C.<img src="https://timg.fentiku.com/97/2016/12/22/0UN1337fCx.png" title='0UN1337fCx.png' alt='0UN1337fCx.png'/>10@160(A<img src="https://timg.fentiku.com/97/2016/12/22/tzZA4gRJ5w.png" title='tzZA4gRJ5w.png' alt='tzZA4gRJ5w.png'/>=491mm<img src="https://timg.fentiku.com/97/2016/12/22/dIcKiKjdtW.png" title='dIcKiKjdtW.png' alt='dIcKiKjdtW.png'/>/m)
• D.<img src="https://timg.fentiku.com/97/2016/12/22/yoxW0GM2o9.png" title='yoxW0GM2o9.png' alt='yoxW0GM2o9.png'/>10@120(A<img src="https://timg.fentiku.com/97/2016/12/22/EpzA8K3MLH.png" title='EpzA8K3MLH.png' alt='EpzA8K3MLH.png'/>=654mm<img src="https://timg.fentiku.com/97/2016/12/22/AXeZdHNCjK.png" title='AXeZdHNCjK.png' alt='AXeZdHNCjK.png'/>/m)

正确答案：C