નીચેનામાંથી કયો અસમમિતિય કાર્બન અણુ ધરાવે છે?

• A

  $H - \mathop {\;\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{Cl\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{Br\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} H$

• B

  $H - \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{H\,\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{Cl\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} Cl$

• C

  $H - \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{H\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{H\,\,} }\limits_{|\,\,\,\,} }\limits_{H\,\,} H$

• D

  $H - \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{H\,\,} }\limits_{|\,\,\,\,} }\limits_{Br\,\,} \mathop {\mathop {\mathop {\mathop {C - \,}\limits^{|\,\,\,\,\,} }\limits^{H\,\,\,\,} }\limits_{|\,\,\,\,} }\limits_{OH\,\,} C{H_3}$