初产妇，24岁，妊娠37周，骨盆外测量：骶耻外径19cm，髂嵴间径27.5cm，坐骨结节间径6.5cm，此孕妇的骨盆应诊断为（）。

A.均小骨盆

B.单纯扁平骨盆

C.漏斗型骨盆

D.男型骨盆

E.佝偻性骨盆

Whatever happens, we must______ our plans to increase production.

A．go ahead

B．keep ahead with

C．push ahead

D．push ahead with