－Will he be able to come back tomorrow?    

－I'm afraid not. He told me that he _____ come back until his holiday ended.     [ ]

A. won't                      

B. wouldn't    

C. didn't                      

D. would

医疗机构必须配备药学技术人员，配备的这类人员应是依法经过（）

A.学历认定

B.资历认定

C.资格认定

D.资质认定

E.执业认定