Your Grandmother Who Lives in an Assisted Living Facility Is

Your grandmother who lives in an assisted living facility is always complaining about how bad the food is. You eat there with her often and find the food to be cooked well and interesting, even though the food is not what you would really prefer. What is the most reasonable explanation for this?

A) Your grandmother only likes food that she cooks.
B) She has had a stroke that affected her primary gustatory cortex.
C) She has fewer gustatory cells in her taste bud receptors.
D) She has no functional olfactory receptors anymore, and smell is a dominant part of taste.
E) Because of wear-and-tear on her tongue over the years, her taste buds are gone.