The boy apologized to Mrs White because he had broken her window. [ ]

A. applied to

B. said hello to

C. walked towards

D. said sorry to

某一设有吊车的钢筋混凝土单层厂房，下柱长He＝11.5m。上下柱的截面尺寸如下图所示。截面采用对称配筋，a_s＝a_s′＝40mm。采用C30的混凝土，纵向钢筋为HRB335，内力组合后的最不利内力设计值，上柱是M＝112kN·m，N＝236kN；下柱是M＝400kN·m，N＝1200kN。

若已知上柱的初始偏心距e_i＝495mm，则上柱截面按对称配筋计算的一侧纵向钢筋面积最接近于（）mm²。

A.986

B.963

C.823

D.728