题目

Last summer, after finishing my work in China, 1 took the trip of a lifetime on the Trans-Siberian Railway (西伯利亚路). Leaving Beijing early on a Wednesday morning in July, my wife and I travelled through some awesome (令人惊叹的) countryside before we arrived in Moscow the following Monday.           The first part of the journey took us past the Great Wall and through the grasslands of Inner Mongolia. At the Mongolian Republic border, we had a delay(耽搁)while the wheels were changed because the railway is different.  On our way to the capital, Ulan Bator, w如图是由几个相同的小正方体搭成的几何体的三视图，则搭成这个几何体的小正方体的个数是（ ）A．5 B．6 C．7 D．8