Option 1 -> Incorrect matching: "persist on" and "heedless in" are not correct prepositional phrases.
Option 2 -> Incorrect matching: "attention of" and "pride herself to" are not standard English usage.
Option 3 -> Correct matching: "attention to," "persist in," "heedless of," and "pride herself on" are all proper prepositional phrases.
Option 4 -> Incorrect matching: "attention of," "persist on," and "heedless to" are grammatically incorrect.
Hence, Option 3: (A) - (IV), (B) - (I), (C) - (II), (D) - (III) -> This correctly matches each sentence with its appropriate preposition: "pay attention TO," "persist IN," "heedless OF," and "pride oneself ON" are all standard collocations in English grammar -> correct