John dropped out of school after the ninth grade and now must support himself though he has few skills. He is a part time employee at a small retailer earning minimum wage. John would like to earn more, but hasn't been able to find a better job. He is having a hard time paying his rent and utility bills and has quit eating breakfast to try to save on his food bills. John is having trouble meeting his:

A. esteem needs.
B. self-actualization needs.
C. social needs.
D. physiological needs.

Ans: D. physiological needs.