Final answer:
d.A 30-year-old male who is unemployed. A 30-year-old male who is unemployed is most likely to experience a barrier when accessing health care.
Step-by-step explanation:
A barrier when accessing health care can be experienced by a 30-year-old male who is unemployed. Unemployment can limit access to health care due to lack of health insurance or financial resources to pay for medical expenses. This individual may face difficulties in affording necessary medications, treatments, or doctor visits. Additionally, lacking stable employment can lead to inconsistent access to health care providers and limited continuity of care.