સંયોજન $CH_3-C(Cl)=C(CH_3)-CH(C_2H_5)-CH_2-C \equiv CH$ માટે $IUPAC$ નામ જણાવો.

• A
  $6-\text{ક્લોરો}-4-\text{ઈથાઈલ}-5-\text{મિથાઈલહેપ્ટ}-5-\text{ઈન}-1-\text{આઈન}$
• B
  $6-\text{ક્લોરો}-4-\text{ઈથાઈલ}-5-\text{મિથાઈલહેપ્ટ}-1-\text{આઈન}-5-\text{ઈન}$
• C
  $2-\text{ક્લોરો}-4-\text{ઈથાઈલ}-3-\text{મિથાઈલહેપ્ટ}-2-\text{ઈન}-6-\text{આઈન}$
• D
  $2-\text{ક્લોરો}-4-\text{ઈથાઈલ}-3-\text{મિથાઈલહેપ્ટ}-6-\text{આઈન}-2-\text{ઈન}$