治疗多发性硬化症（）。
A.抗CD3单克隆抗体
B.抗肿瘤坏死因子抗体
C.β干扰素
D.α干扰素
E.EPO
参考答案：C
Professor Smith is said _____ another important discovery in chemistry.
A．having made
B．making
C．to have made
D．to make
本量利分析
