Given the question: Write a multi-choice question for the following article: Article: Each of us can live strong,healthy,energetic lives for a long time to come.The key?Actually,there are many of them. Eat fewer calories,but more food Slimming down can help prevent disease,and cutting way back on the amount you eat may even slow the aging process.When nutrition researchers invited themselves over for dinner in kitchens across the globe-from Greece to Japan to the state of Pennsylvania--they discovered a stomach-satisfying secret to good health:Pile your plate high with vegetables and fruits,add respectable parts of beans and whole grains,and ignore high-calorie food like cheeseburgers,cream sauces,and fatty meats. Use exercise as an anti-aging vaccine Exercise can help you gain a better quality of life as you age.It's no secret that physical activity strengthens muscles,burn calories,and puts a happy bounce in your step.But recently,researchers discovered a new,extra benefit:Exercise acts as a powerful way against the aging process itself. When exercise physiologists put healthy people aged 60 to 85 on Weight-training programs for six months then tested them for signs of free-radical damage,they were surprised by the results.By the end of the study,low-intensity exercisers had a drop in free-radical damage,while high-intensity exercisers had a slight increase. Find something interesting to do Life is always busy no matter what your age.But the truth is,when people are retired,time usually does become more available for adults after 60.With this time come choices.The easy one is merely to relax:watch more TV,eat out more often,talk on the phone as much as you want.The better choice? Discover something more meaningful to devote yourself to and do it wholeheartedly.
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Question: The best title of this text should be " _ ".Options:A How to Keep a Balanced DietB The Importance of Your HealthC Keys to living Longer and BetterD Hobbies making Your HealthyAnswer:C