નીચેની પ્રતિક્રિયા શ્રેણી માટે મુખ્ય નીપજ $(P)$ ઓળખો:
$1,2-\text{dibromo}-3-\text{ethyl}-4-\text{methylcyclopentane} \xrightarrow[(ii) HBr]{(i) Zn, \Delta} (P)$

• A
  $1-\text{bromo}-2-\text{ethyl}-3-\text{methylcyclopentane}$
• B
  $1-\text{bromo}-1-\text{methyl}-2-\text{ethylcyclopentane}$
• C
  $1-\text{bromo}-2-\text{methyl}-1-\text{ethylcyclopentane}$
• D
  $1-\text{bromo}-3-\text{ethyl}-2-\text{methylcyclopentane}$