[听力原文]6-7
M: Are you going to leave school at the end of the term
W: Yes, I am.
M: What are you going to do
W: I’m going to be a clerk.
M: What does a clerk do
W: She works in an office. She writes letters and reports, and she types.
M: I want to be a vet.
W: A veteran
M: No, vet — a veterinary surgeon.
W: My god! What’s that
M: A vet is someone who takes care of sick animals, like an animal doctor.
W: I once read a story about a person who talked to animals. It was very interesting.

What does a clerk do（）

A．Writes letters.
B．Writes reports.
C．Types.
D．All of the abov