Which of the following is the correct structure of catechol?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3a.png"><img alt="The following is the correct structure of catechol - option a" class="alignnone size-full wp-image-224483" height="85" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3a.png" width="99"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3b.png"><img alt="The following is the correct structure of catechol - option b" class="alignnone size-full wp-image-224484" height="81" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3b.png" width="104"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3c.png"><img alt="The following is the correct structure of catechol - option c" class="alignnone size-full wp-image-224485" height="105" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3c.png" width="83"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3d.png"><img alt="The following is the correct structure of catechol - option d" class="alignnone size-full wp-image-224486" height="76" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-dihydric-alcohols-q3d.png" width="87"/></a>