In which situation will work by an elderly person be considered exploitative?

Correct answer: When their helplessness is used for low pay and heavy work

The direct answer is D: exploitation occurs when an elderly person's helplessness is used to give low pay and heavy work. Exploitation means unfairly taking advantage of someone's weakness or need. Follow the facts: an older worker may have health limits or few income choices; an employer notices this dependence; the employer then demands excessive work and pays unfairly little. That is abuse, not dignified employment. Option D is correct because it contains both warning signs: vulnerability is used, and the worker receives low payment for heavy labour. Option A is not exploitation because fair payment is given for experience-based advice. Option B is acceptable when the work is light and freely chosen. Option C describes protection of working time and health. Remember: voluntary suitable work plus fair pay is not exploitation; forced heavy work plus unfair pay is.