Write the Given Phrase as a Mathematical Expression: the Difference $x + 2$

Multiple Choice

Write the given phrase as a mathematical expression: The difference between a number and 2.

A) $x + 2$
B) $\frac { x - 2 } { x }$
C) $2 - x$
D) $x - 2$
E) $\frac { x } { 2 }$