Identify $A$ to $E$ in the following reactions:
$\underset{\text{Alkali metals}}{\mathop{A}}\,+N_2$ $\xrightarrow{\Delta }B$ $\xrightarrow{H_2O}C+D$
$C+HCl\rightarrow E$
(Where $D$ is $NH_3$ and $E$ is a salt,and $C$ is a base)

• A
  $Na, Na_3N, NaOH, NH_3, NaCl$
• B
  $Li, Li_3N, LiOH, NH_3, LiCl$
• C
  $K, K_3N, KOH, NH_3, KCl$
• D
  $Na, NaNH_2, NaOH, NH_3, NaCl$