Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between th

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Because blood from differentindividuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerousreactioncan occur between the donor and recipient in a blood transfusion.

(A) Because

(B) Diffirent

(D) And

Giải thích

Chọn đáp án B ⇒ differ

Giải thích: may + V nguyên thể. Different là tính từ nên ta chuyển nó về dạng danh từ