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In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because

A. Belts are available in sets

B. Only one belt cannot be fitted with other used belts

C. The new belt will carry more than its share and result in short life

D. New and old belts will cause vibrations

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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