—So what is the procedure?

—All the applicants ________ before a final decision is made by the authority.(2013·北京，32)

A．interview

B．are interviewing

C．are interviewed

D．are being interviewed

男性，25岁，因车祸致胫腓骨上1/3处开放性粉碎性骨折，行彻底清创术，摘除所有的粉碎的骨折片，术后行牵引治疗8个月后，骨折仍未愈合，其最可能的原因是()

A．骨折处血液供应差

B．伤肢固定不确切

C．清创时摘除了过多的碎骨片

D．功能锻炼不够

E．未做内固定