31. Which of the following is the best title for this passage?
(A) Reviving Frozen Organs: Nanotech May Pave the Way
(B) Stop Discarding Organs: New transplanting Technique
(C) More Donated Organs Are Needed to Save More Lives
(D) Big Breakthrough in Reheating Human Brain Process
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統計: A(58), B(3), C(4), D(5), E(0) #2684665
統計: A(58), B(3), C(4), D(5), E(0) #2684665