【名词&注释】
急性痛风性关节炎(acute gouty arthritis)、血尿酸(serum uric acid)、丙磺舒(probenecid)、正常人尿、高致病性禽流感病毒(high pathogenic avian influenza virus)、近年来(recently)
[单选题]近年来(recently)人类最关注的高致病性禽流感病毒(high pathogenic avian influenza virus)是
A. H1N1
B. H9N1
C. H3N1
D. H5N1
E. H7N1