Apatient eligible for benefits is one who:
a-) has received services from the physician
b-) is not covered under the insurance plan.
c-) has family members who are covered under the insurance
plan.
d-) has current coverage under a health insurance plan.
e-) none of the above.

D-) has current coverage under a health insurance plan.

Explanation:

The health insurance plan is the plan which covers the whole or a part of the medical expenses that are required to be used for the purpose of treatment, diagnosis and maintenance of health in every aspect of age.

The person who is under the coverage of the health insurance plan is eligible for benefits in the case of medical emergency.

you have lot of followers in but friends depend upon your wish.

answer:

it could come from a variety of sources.

explanation:

..although it was most likely developed through zoonotic transmission, where an infectious disease which usually afflicts when animals jump to humans.