Answer:
Used books
Explanation:
Perused means something that has been read with detail so this mean they are used
C) the first few letters. This is because the dictionary goes in alphabetical order.
If it's just a random thesis:
Topic: Dog Fights
Thesis: Dog fights should be illegal, since they are a cruel way to abuse dogs for profit.
Opposing Thesis: Dog fights are entartaining, and should be continued.