Concept:The correct phrase is "under the auspices of", meaning with the support or patronage of an organisation or authority.Explanation:The sentence indicates that the seminar was held with the backing of the Government.So the word that best fits the blank is "auspices"."Jurisdiction" means legal authority, "arbitration" means settlement of a dispute, and "agreement" means a mutual understanding, so none of these fits the context.Hence, the completed sentence is: "The seminar was held under the auspices of the Government."Answer:D. auspices