If $L$ denotes the inductance of an inductor through which a current $i$ is flowing,the dimensions of $L{i^2}$ are

• A
  $M{L^2}{T^{-2}}$
• B
  Not expressible in $MLT$
• C
  $ML{T^{-2}}$
• D
  ${M^2}{L^2}{T^{-2}}$