He is looking forward to taking  part in the peace conference ------ in a neutral country next month .

A．holding

B．held

C．to be held

D．being held

丙型肝炎病毒下列哪项叙述不正确（）

A.为单股正链RNA病毒

B.可应用血源疫苗免疫以预防感染

C.血清中检测出anti-HCV提示有感染

D.血清中可检测病毒RNA

E.绝大多数为血源传播