Analysis:
The question asks who views having a lot of subjects to learn as a positive thing. We need to find the person who expresses this opinion.
- Oskar: States, "I quite like having a lot of subjects at school, though...".
- Mary: Enjoys subjects that teach about the world but doesn't comment on the quantity of subjects.
- Freeda: Mentions that most people don't like classical languages, but doesn't comment on the overall number of subjects.
Oskar explicitly states he likes having many subjects.
Answer: Oskar