11 What does the author mean when he says, “Interest in xenotransplants was heating up.”?
(A) Xenotransplants are being heated.
(B) Xenotransplants are getting popular.
(C) Xenotransplants are being cooked.
(D) Xenotransplants are under attack.
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統計: A(6), B(32), C(6), D(7), E(0) #935476
統計: A(6), B(32), C(6), D(7), E(0) #935476