A triangle ABC with vertices $\mathrm{A}(-1,0),\mathrm{B}(-2,3/4),\mathrm{C}(-3,-7/6)$ has its orthocenter at H. Then, the orthocenter of triangle BCH will be

• A

  $(-3,-2)$

• B

  $(1,3)$

• C

  $(-1,2)$

• D

  None of these