Concept:Life insurance covers risks related to the life of the insured person, such as death or survival up to a fixed period.
Explanation:An endowment policy is a form of life insurance.
It pays a lump sum amount either on the death of the insured person or after a fixed term, whichever comes first.
Other options like third party, comprehensive, and fidelity guarantee are general insurance policies.
They do not insure human life.
Therefore, the correct example of life insurance is the endowment policy.
Answer:D. endowment policy