Option 4: (A) - (II), (B) - (III), (C) - (IV), (D) - (I) → This correctly matches all words with their meanings: Neologism means a newly coined word or expression; Loquacious describes a person who talks continuously; Isthmus is a narrow strip of land connecting two larger land masses (like the Isthmus of Panama); and Ephemeral means lasting for a short period of time → correct