The electron gain enthalpy values (in $kJ \ mol^{-1}$) of three halogens $X$,$Y$ and $Z$ are respectively $-349$,$-333$ and $-325$. Then $X$,$Y$ and $Z$ are respectively

• A
  $F_2$,$Cl_2$ and $Br_2$
• B
  $Cl_2$,$F_2$ and $Br_2$
• C
  $Cl_2$,$Br_2$ and $F_2$
• D
  $Br_2$,$Cl_2$ and $F_2$