某桩基承台，采用混凝土预制桩，承台尺寸及桩位如图1-15（a）所示。桩顶标高为-3.640m，桩长16.5m，桩径600mm，桩端进入持力层中砂1.50m。土层参数见图1-15B.所示，地下水位标高为-3.310m。查表时，η取低值。提示：按《建筑桩基技术规范》（JGJ94-2008）计算。

若桩选用钢管桩，其隔板n＝2，试问，单根钢管桩竖向承载力特征值（kN），与下列何项数值最为接近？（）

A.1000

B.1010

C.1030

D.1060

If the south had won the war, what is now the United States _____ divided into several countries.

A．will be

B．might have been

C．should be

D．must have been