【单选题】Passage Three Question 23 to 25 are based on the passage you have just heard. 23A) Surgeons were not sure of the risk of operation. B) It’s very hard to find a suitable organ donor. C) Human body was ...
A.
Surgeons were not sure of the risk of operation.
B.
It’s very hard to find a suitable organ donor.
C.
Human body was not receptive to foreign tissue.
D.
Patient’s white blood cells would be destroyed.