In the USDA "MyPyramid" of 2005,the Narrowing of Each Food

In the USDA "MyPyramid" of 2005,the narrowing of each food group from bottom to top represents

A) the idea that variety is necessary because no one food contains all of the nutrients necessary for health.
B) the idea that moderation is required for a healthy lifestyle.
C) the idea that a balanced diet includes foods from each of the food groups.
D) the idea that the wider base represents foods with high solid fats,added sugars,and caloric sweeteners.
E) the importance of daily exercise.