The first edition ________ in 1955 and ________ a best seller ever since．

A．was published；had been

B．was published；has been

C．has been published；has been；

D．had been published；had

有助于类风湿关节炎与其他炎性关节炎如反应性关节炎和银屑病性关节炎鉴别的指标是（）

A.血常规

B.血沉

C.C反应蛋白

D.关节X线

E.自身抗体