Find the Coordinates of the Other Endpoint of the Segment $\left( \frac { \mathrm { c } + \mathrm { m } } { 2 } , \frac { \mathrm { y } + \mathrm { q } } { 2 } \right)$

Multiple Choice

Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.
-midpoint (c, y) , endpoint (m, q)

A) $\left( \frac { \mathrm { c } + \mathrm { m } } { 2 } , \frac { \mathrm { y } + \mathrm { q } } { 2 } \right)$
B) $( 2 m - c , 2 q - y )$
C) $( c - m , y - q )$
D) $( 2 c - m , 2 y - q )$