Here's why:
* Unversed means lacking knowledge or experience in a particular subject or skill.
* Benighted means being in a state of ignorance or darkness, often due to a lack of knowledge or education.
The other options are related to knowledge and learning:
* Lore refers to a body of knowledge or traditions.
* Scholarship is the pursuit of academic study.
* Erudition means deep knowledge and learning.
* Learning is the acquisition of knowledge or skills.
Therefore, benighted is the closest synonym to unversed in terms of lacking knowledge and understanding.