Mathis's Father, Enzo, Is Having Difficulty with His Boss

Mathis's father, Enzo, is having difficulty with his boss. As a result, Enzo is angry when he comes home. He has stopped playing with little Mathis and tends to sit in his chair staring at the television. Enzo's work situation is part of Mathis's:

A) exosystem.
B) endosystem.
C) macrosystem.
D) microsystem.