Answer:
Option (d) is the correct answer to this question.
Explanation:
The nation in which those State members or organizations are involved at the request of the state and/or foreign negotiation.
A foreign country 's government, in which a representative and foreign embassies live while on duty. The diplomat and staff serve their own country's values and policies while being host country guests.
Other options are incorrect because they are not related to the given scenario.