At a PH Above Its PK_a, The $\varepsilon$ -Amino Group of Lysine Is _____

At a pH above its pK_a, the $\varepsilon$ -amino group of lysine is _____.

A) protonated and neutral
B) protonated and positively charged
C) deprotonated and neutral
D) deprotonated and negatively charged
E) none of the above