一幅美丽的图案,在某个顶点处由四个边长相等的正多边形镶嵌而成,其中的三个分别为正三边形,正四边形,正六边形,则另外一个为( )
A:正三角形
B:正四边形
C:正五边形
D:正六边形
This is my eye.
The best way _______ there is by bike. It's healthy for us.