(D) All of the above
Optimizing your content helps to improve the reach, engagement, and conversions. An optimized piece of content is the best version of your content so this will get better reach, high engagement, and most importantly a lot of conversions.
This question is a part of the HubSpot Content Marketing Exam. You can get all the updated answers to this exam in our HubSpot Content Marketing Certification Exam Answers page.