Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. Select the option 'no correction required' if the sentence is correct as given.
Sapna was abstracted, biting her lip restlessly and reading over the guide-books to the battle-field that Suraj (had brought along).
1
No correction required
2
have brought along
3
have brought
4
has brought along