Which one of the following has the regular tetrahedral structure?

• A

  ${\left[\mathrm{ANi}{\left(\mathrm{CN}\right)}_4\right]}^{2-}$

• B

  ${\mathrm{SF}}_4$

• C

  ${\mathrm{BF}}_4^{-}$

• D

  ${\mathrm{XeF}}_4$