A. depression
(The context suggests stress and mental health, so "depression" fits as the opposite of relaxation and something that stress can lead to.)

C. work
("Work" fits the context of managing tasks and scheduling.)

B. additional
("Additional" makes sense here, as it indicates extra support or help beyond the basic steps.)

C. sleep
(Since the passage mentions getting at least eight hours, "sleep" is the appropriate answer.)

B. walk
("Walk" fits with the context of going for a physical activity with grandparents.)

B. healthy
(The context refers to avoiding fattening foods, and "healthy" fits with the idea of a good diet.)