નીચેની પ્રક્રિયા માટે મુખ્ય નીપજ $A$ ની આગાહી કરો:
$1\text{-methyl-1-vinylcyclohexane} + HBr \xrightarrow{CCl_4} A$

• A
  $1\text{-(1-bromoethyl)-1-methylcyclohexane}$
• B
  $1\text{-bromo-1-isopropylcyclohexane}$
• C
  $1\text{-bromo-1-methyl-2-methylcyclohexane}$
• D
  $1\text{-bromo-2-methyl-1-ethylcyclohexane}$