[南宁一模]南宁市2022届高中毕业班第一次适应性测试英语试...

30.What does Dr.David Klassen probably think of the transplant?

A.Casual.

B.Dangerous.

C.Successful.

D.Pioneering.

31.What message does the author mainly convey in the text?

A.Animals are our best friends.

B.Animals may be our life-saver.

C.Animals'organs have helped save many patients.

D.The animal-to-human transplant is now advisable to perform.