નીચેની પ્રક્રિયામાં બનતી મુખ્ય નીપજ કઈ છે?
$1,2-dichloro-3-methyl-5-nitrocyclopentane$ $\xrightarrow[{Heat}]{{NaOCH_3(1 \ eq.)}}$ ?

• A
  $1-chloro-2-methyl-5-nitrocyclopent-1-ene$
• B
  $3-chloro-2-methyl-5-nitrocyclopent-1-ene$
• C
  $4-chloro-5-methyl-3-nitrocyclopent-1-ene$
• D
  $3-chloro-4-methyl-5-nitrocyclopent-1-ene$