Q173. Which of the following sentences is grammatically correct and unambiguous?English — NUST Mock 9 — Question 173 of 200A. Both Sara and Nazia are my students, but she is much smarter.B. Both Sara and Nazia are my students, but Sara is much smarter.C. Both Sara and Nazia are my students, but Nazia is very smarter.D. Both Sara and Nazia are my students, but she is smart.Practice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →