The only thing that limits our knowledge is ourselves, "less constrained than in a library" implies that a library is a limitless opportunity for knowledge. You could pick up any book and learn something from it. In this way, the library has more opportunity for learning and creativity than somewhere compared to, say a forest, where you're limited to the knowledge you gain from experiences or prior knowledge.
The answer is C. Bethany has to be capitalized because it’s a name (proper noun) and Honda Civic also has to be capitalized because it is also a proper noun. Green doesn’t have to be capitalized because it is an adjective.
