※ 질문하기질문내용5. 글의 흐름으로 보아, 주어진 문장이 들어가기에 가장 적절한 곳은??

주어진 문장 : Instead, exercise, like a proper diet, takes a long time to have a noticeable effect.

본문시작
A good way to change your body is through exercise. Exercise can change the shape of your body.It can also make you feel more energetic and relieve stress. That is, changing your body image can result in changing how you feel. ( 1 ) But too many people go to a health club and then stop after a few days because exercise is backbreaking. ( 2 ) They feel stiff in their muscles and they do not see immediate result,s which make them give up. ( 3 ) Worst of all, they may think they have failed, and this can make them lose confidence in themselves, although they know only a few days of exercise will not produce the desired effects. ( 4 ) So, only people who continue their untiring efforts can experience the benefits of exercise. ( 5 )
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