题目:
The surface distance between 2 points on the surface of a cube is the length of the shortest path on the surface of the cube that joins the 2 points. If a cube has edges of length 4 centimeters, what is the surface distance, in centimeters, between the lower left vertex on its front face and the upper right vertex on its back face?
选项:
A、8
B、4√5
C、8√2
D、12√2
E、4√2+4
答案:
B