One expert agreed some nutrient-deficient people may still benefit from multivitamins. “There might be an argument to continue taking a multi(vitamin) to replace or supplement your not healthy diet,” Dr. Edgar Miller added. He also notes that vitamins can benefit people with celiac disease and those who are pregnant.

　　53. This text is likely to be selected from a book of

　　.

　　A. medicine

　　B. education

　　C. food

　　D. business

　　54. Which of the following is NOT Dr. Edgar Miller’s opinion according to the passage?

　　A. Vitamins should not be used for chronic disease prevention. Enough is enough.

　　B. Having a balanced diet and exercising would probably be a better way to keep healthy.

　　C. The three studies do not provide support for use of multivitamin supplements.

　　D. Taking vitamins to replace or supplement your healthy diet is necessary.

　　55. What can be inferred from the text?

　　A. Vitamin supplements have proved harmful to the health of adults.

　　B. Vitamin supplements are beneficial in certain conditions.

　　C. Nowadays taking vitamin supplements is common to most people.

　　D. Daily multivitamins will make you healthier.

　　56. The author’s purpose of writing the text is most likely to___________.

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