【名词&注释】
强直性脊柱炎(ankylosing spondylitis)、实验台(experimental table)、正常人(normal)、密切相关(closely related)
[单选题]与强直性脊柱炎密切相关(closely related)的HLA分子是
A. HLA-A5 B. HLA-B7 C. HLA-B8 D. HLA-B27 E. HLA-DR3