Final answer:
The answer to the question is D. Nonoccupational, as most group insurance plans cover nonoccupational disabilities, which are incidents that happen outside of work.
Step-by-step explanation:
Most group insurance plans cover nonoccupational disabilities, which are those occurring outside work. Therefore, the correct answer to the question is D. Nonoccupational.
Nonoccupational disabilities are conditions that are not related to, or caused by, a person's occupation. These disabilities might be due to various reasons such as accidents outside of the workplace, illnesses, or non-work-related activities. Group health insurance plans typically provide coverage for these disabilities, offering security to individuals when they are affected by such unforeseen circumstances.