Indispensable (A) = (II) "That which can not be done without" - something absolutely necessary or essential
Fanatic (B) = (I) "One filled with excessive and mistaken enthusiasm for a cause" - a person with extreme, uncritical enthusiasm
Pugnacious (C) = (IV) "Quarrelsome" - having a combative or aggressive nature, eager to fight or argue
Verbatim (D) = (III) "Repetition of word by word" - using exactly the same words, word-for-word reproduction
Hence, Option 4: (A) - (II), (B) - (I), (C) - (IV), (D) - (III) -> This option correctly matches all four vocabulary words with their precise dictionary definitions -> correct