题目

Welcome to the Art Museum!You’ve just stepped into one of the world's greatest collections of art, covering centuries of human creativity from around the world. With thousands of works on Show, You may wonder how to start your visit, but we are here to help. On the back of this Visitor Guide, you’ll find directions to some must see works in our collection—the “don't miss” list for the Art Museum. It's a great choice to start if you are new to the museum.The following pages include a clear floor plan of the museum and its collections. But because we have several buildings, the overloo1．某空间几何体的三视图如图所示，则该几何体的体积为（　　）A．128B．$\frac{128}{3}$C．$\frac{64}{3}$D．$\frac{32}{3}$