Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

• A. The activate the enzymes necessary for vitamin synthesis in the body an help avoid unnecessary wastage of energy
• B. They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy
• C. They neutralise free radicals produced in the body during metabolism
• D. The activate certain genes in the cells of the body and help delay the ageing process