Veronica Had Been Working at Zenex Industries for Eight Months

Veronica had been working at Zenex Industries for eight months when her boss called her to his office.The boss told Veronica she was being laid off.Veronica could feel her heart pounding as she listened to the news.Veronica got a new job,but every time her new boss asks to talk to her in private,Veronica feels a little faint.What is the unconditioned response in this example

A)  her new boss asking for a private meeting 
B)  her pounding heart when she heard she was being laid off 
C)  the faintness she feels when her new boss wants to talk to her in private 
D)  the bad news from her boss at Zenex Industries