题目内容:
It can be inferred from Paragraph 2 to Paragraph 4 that______.
A.Huntington’S and Tay.Sach can be diagnosed by genetic information because they are rare disorders B.someone who has a lower—than—average genetic risk of skin disease can suffer aterrainal skin cancer
C.genetic test companies have tried to justify the uniqueness of their disease-predictionresults
D.customers have to order genetic test online because it is illegal in real life
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