Why the answer is B, and why the others tempt you.
**The reasoning**
This is an **analogy question** testing relationships between people and their primary workplaces.
The pattern is: *Professional : Their main workplace*
A doctor's primary workplace is a hospital — that's where they perform their core duties (treating patients, performing surgeries, etc.). Similarly, a teacher's primary workplace is a **school** — where they teach students, conduct lessons, and fulfill their professional role.
The relationship must be consistent: Just as "hospital" is the defining workspace for a doctor, "school" is the defining workspace for a teacher.
**Why the wrong options tempt you**
- **Library** — Teachers sometimes use libraries, but librarians work there primarily, not teachers.
- **Office** — Too generic. Many professionals work in offices; it's not specific to teachers.
- **Lab** — Scientists or lab technicians work in labs. Teachers may visit labs, but it's not their primary workspace.
**Quick takeaway**
In analogy questions, match the **exact relationship**: if the first pair shows "professional → primary workplace," the second pair must follow that same pattern precisely.
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