Catherine Is a College Senior Who Is Taking a Health

Catherine is a college senior who is taking a health and nutrition course. The class is studying family health history. After completing her family health history project, Catherine realizes that she has a family history of breast cancer and obesity. Catherine wants to continue to study and learn how she can reduce her risk of certain diseases through lifestyle changes.
Catherine knows she should eat more vegetables, but she cannot stand their bitter taste. What is most likely the reason that vegetables taste intensely bitter to Catherine?

A) Catherine may have a set of genes that make her nose extremely sensitive to the smell of vegetables.
B) Catherine may have a set of genes that make her highly sensitive to bitter tastes.
C) Catherine's mother never liked vegetables and did not eat many when she was pregnant with Catherine; therefore, Catherine developed a genetically sensitive palate.
D) Catherine simply believes vegetables are bitter tasting, and it is all in her head.
E) Catherine has a single-gene defect.