—____ does your father work?
—He works in a hospital.

—____ does your father work?

—He works in a hospital.

A．What             B．How              C．Who             D．Where

—____ does your father work?

—He works in a hospital.

—____ does your father work?
—He works in a hospital.

—____ does your father work?

—He works in a hospital.

A. WhatB. HowC. WhoD. Where