According to Maslow's theory which need in the hierarchy must be met first before needs higher up become the focus of concerns-

Correct option is B

According to Maslow's hierarchy of needs, physiological needs form the foundation of the pyramid and must be satisfied first before higher-level needs become motivating factors. These basic survival needs include food, water, shelter, sleep, and other biological requirements necessary for human survival.

Additional Knowledge:
● Safety needs (1): These are second in the hierarchy, including security, stability, and protection from harm
● Esteem needs (3): These are fourth in the hierarchy, involving self-respect and recognition from others
● Belonging needs (4): These are third in the hierarchy, including love, friendship, and social acceptance