＿＿many times, he still didn’t make sense of it.

A．Having been told

B．Then he was told

C．Being told

D．He was told

明清时期分布在北方各地的四合院类型民居房屋基本都具有（）布局特征，而南方各地民居的房屋布局均表现出相连式布局特征。