参考答案

正确答案：A
解析：循着关键词“Hong Kong government”将本题定位于第3副标题第2段第2句和第3句，文中“alarmed at the potential threat of a pandemic”对应题干的“for fear of the potential threat of a pandemic”；“destroyed about 1.5 million birds，Hong Kong's entire poultry population”与题干一致。