Harry Has a Monotonous Diet and Eats the Same Foods

Harry has a monotonous diet and eats the same foods every day. You try to convince him to eat a variety of foods because:

A) some less well-known nutrients and some nonnutrient food components could be important to health.
B) a monotonous diet may deliver large amounts of unwanted minerals.
C) a monotonous diet may lead to decreased appetite and severe weight loss.
D) large amounts of the same foods may lead to an excess of certain vitamins.