Products of hydrolysis of $BC{l}_3$ are

• A

  ${\mathrm{H}}_3{\mathrm{BO}}_3,{\left[{\mathrm{BCl}}_4\right]}^{-}$

• B

  ${\mathrm{H}}_3{\mathrm{BO}}_3,\mathrm{HCl}$

• C

  ${\mathrm{B}}_2{\mathrm{O}}_3,\mathrm{HCl}$

• D

  ${\mathrm{HBO}}_2,\mathrm{HCl}$