3个棱长是1厘米的正方体小方块排成一行后,它的表面积是请选择DCBA7l)|2u3d-k:w3g1}'e1f*w.B
A.18平方厘米-k:w3g1}'e1f*w.B
B.10立方厘米-k:w3g1}'e1f*w.B
C.14平方厘米-k:w3g1}'e1f*w.B
D.16平方厘米-k:w3g1}'e1f*w.B