Home to ______ and gangsters, officials and laborers, refugees and artists, the city was, in its prime, a metropolis that exhibited all the hues of the human character.

A．magnates

B．magnets

C．machines

D．magnitudes

下列按水平投影面积1/2计算建筑面积的有( )。

A．屋顶上层高2.10m有围护结构的水箱

B．单排柱车棚

C．无永久性顶盖的室外楼梯

D．无永久性顶盖的架空走廊

E．宽度2.20m独立柱雨篷