In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".

M: Make thirty copies for me and twenty copies for Mr. Brown. W: Certainly, Sir. As soon as I finish typing the letter., Question: What is the probable relationship between the two speakers? (A) Customer and waitress. (B) Teacher and student. (C) Boss and secretary.
(C) Boss and secretary.