People Commonly Use a Summon-Answer Sequence to Initiate Conversations

Multiple Choice

People commonly use a summon-answer sequence to initiate conversations.This sequence can take different forms.In this conversation between roommates, chronologically identify the elements of this summons-answer sequence: "Jack, you in your room?"
"Yup, come in."
"Hey, what's up?"
"Finishing my homework.What's going on for you?"
"I was wondering if you could help me practice answers for my interview tomorrow?"

A) Identification-recognition; pleasantries; statement for reason for the conversation
B) Identification-recognition; call and response; statement for reason for the conversation
C) Call and response; pleasantries; statement for reason for the conversation
D) Call and response; identification-recognition; pleasantries