Sami Has Been Living on the Streets for Almost 2

Sami has been living on the streets for almost 2 years.He begs for money to buy food,and every night looks for a shelter,so he can sleep somewhere warm.According to Maslow,Sami would be

A) improving his living situation, and so is moving up the hierarchy of needs.
B) using many of his talents and capabilities to survive on the street, so is achieving self-actualization.
C) fulfilling his basic physiological needs, so is probably somewhere in the middle of the hierarchy of needs.
D) struggling to fulfill his basic physiological needs, so is at the bottom of the hierarchy of needs.