İngilizce telefon konuşmaları (Telephone conversations) Test 1

You hear the following phone conversation:
"ABC Corporation, how may I direct your call?"
"I'd like to speak with someone in the Human Resources department, please."
"One moment, please. I'll connect you."
Who is most likely the first speaker?

A) A receptionist
B) A customer
C) A technical support agent
D) The HR manager