R.K. Narayan wrote 'The Vendor of Sweets,' part of his Malgudi Days series. He's one of India's most celebrated English-language writers. Option B is correct - Narayan is known for his gentle, observant fiction set in small-town India. Mulk Raj Anand (A), Amrita Sher Gil (C), and Kiran Desai (D) are different authors.