46. What is the main idea of the article?
(A) Introduction to personalized medicine.
(B) Personalized medicine began in the 1700s and still exists today.
(C) Personalized medicine is confusing for many doctors and patients.
(D) Personalized medicine has been widely applied to the veterinary science.
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統計: A(224), B(15), C(5), D(35), E(0) #3141023
統計: A(224), B(15), C(5), D(35), E(0) #3141023