题目

 —I dislike shopping online, I prefer to actually see and touch what I`m buying before I pay for it, especially for clothes and shoes —That’s right.___________.                                                      A. Seeing is believing                           B. Clothes do not make the man C. The first step is always the hardest          D. You are never too old to learn一个空间几何体的主视图和左视图都是边长为4的正三角形，俯视图是一个半径为2的圆，那么这个几何体的全面积是（ ）A．8πcm2B．10πcm2C．12πcm2D．16πcm2