Find the Midpoint of the Line Segment Joining the Given $( 4 , - 2 , - 3 )$

Multiple Choice

Find the midpoint of the line segment joining the given points.
$( 4 , - 2 , - 3 )$ and $( 6 , - 4 , - 1 )$

A) $( 5 , - 3 , - 2 )$
B) $( - 1,1 , - 1 )$
C) $( - 1 , - 3 , - 1 )$
D) $( - 1,1 , - 2 )$