Shown above is a slope field for which of the following differential equations?\\
(A) $\frac { d y } { d x } = \frac { y - 2 } { 2 }$\\
(B) $\frac { d y } { d x } = \frac { y ^ { 2 } - 4 } { 4 }$\\
(C) $\frac { d y } { d x } = \frac { x - 2 } { 2 }$\\
(D) $\frac { d y } { d x } = \frac { x ^ { 2 } - 4 } { 4 }$