The best solution to the problem of the spread of bird flu is ______.
A. to kill all the birds in an area where bird flu has been discovered
B. to kill all the chickens
C. to kill all the birds
D. to kill all the chickens when bird flu has been discovered
39.答案为A 此题考查文章句意理解、细节定位。略读义章,发现在文章的结尾处有The best way to stop the spread of bird flu is to kill all the chickens in an area where bird flu has been discovered。注意其中的in an area where bird flu has been discovered对all the chickens的限定作用,故选A为答案。