To answer this question, you need to be familiar with the authors of the given books. Let's go through each option to determine the correct answer:
Option A) Paul Coelho - This option is incorrect because "A Bend in the River" is not written by Paul Coelho. He is a Brazilian author known for books like "The Alchemist" and "Brida."
Option B) VS Naipaul - This option is correct. "A Bend in the River" is written by VS Naipaul, a Trinidadian-British author. The novel was published in 1979 and is set in an unnamed African country.
Option C) Jhumpa Lahiri - This option is incorrect. Jhumpa Lahiri is an American author known for books like "Interpreter of Maladies" and "The Namesake." She did not write "A Bend in the River."
Option D) Vikram Seth - This option is incorrect. Vikram Seth is an Indian author known for books like "A Suitable Boy" and "An Equal Music." He did not write "A Bend in the River."
Therefore, the correct answer is B) VS Naipaul.