$C{H_3}\, - \,\,\mathop C\limits_{\mathop |\limits_{OH} } H\,\, - \,\mathop C\limits_{\mathop |\limits_{OH} } H\,\, - \,C{H_3}$ અવકાશીય સમઘટકોની સંખ્યા શોધો.

• A

  $1$

• B

  $2$

• C

  $3$

• D

  $4$