Which sentence contains an incorrect possessive form? A. We often see the geeses' feathers near the pond. B. The full moon's glow helped us see in darkness. C. She was able to answer most students' questions. D. The twins' nursery had two white cribs.
"C. She was able to answer most students' questions"" is incorrect because student should be singular. It should be "She was able to answer most of the students' questions."
