The figure below shows a sphere with its center at O. The points A, B, C, and D are on the
surface of the sphere.
How many tangents to the sphere have been shown in the figure?
A. 0
B. 1
C. 2
(D. 3
![The figure below shows a sphere with its center at O The points A B C and D are on the surface of the sphere How many tangents to the sphere have been shown in class=](https://us-static.z-dn.net/files/d31/04632401177dc1b7bbda785f2614c8fe.png)