your best chocie would be answer A.
The right answer is Food and Nutrition program.
A nutrition program is a fixed-duration diet, it mentions the foods that must be taken at a specific time of the day. These programs are adapted for a specific purpose, such as bodybuilding, weight loss or even gain weight.
The pathogens that cause the common cold are viral pathogens.
The answer is true.
Examples: washing your hands prevents the spread of disease.
Hope this helps =)