Which one is correctly matched?

The correct option is Maggie Tulliver – The mill on the floss.

To determine the correct match, we can analyze the characters and the literary works they belong to:
1. Maggie Tulliver – The Mill on the Floss: Maggie Tulliver is the central protagonist of George Eliot's 1860 novel The Mill on the Floss. This pairing is correctly matched.
2. Heathcliff – Mansfield Park: Heathcliff is the primary antagonist and romantic protagonist of Emily Brontë's novel Wuthering Heights, not Jane Austen's Mansfield Park (whose protagonist is Fanny Price).
3. Josiah Bounderby – Wuthering Heights: Josiah Bounderby is a prominent character in Charles Dickens's 1854 novel Hard Times, representing the cold industrialist class. He is not associated with Wuthering Heights.
4. Fanny Price – Hard Times: Fanny Price is the heroine of Jane Austen's Mansfield Park, not Charles Dickens's Hard Times.