The Shortest Distance from the Point (2, 0) to the Curve

Multiple Choice

The shortest distance from the point (2, 0) to the curve $y ^ { 2 } - x ^ { 2 } = 1$ is

A) $\sqrt { 2 }$
B) $\sqrt { 3 }$
C) 2
D) $\sqrt { 5 }$
E) $\sqrt { 6 }$