—______ the keys?

－______ on the bed. [ ]

A. Where is; It's

B. Where are; They're

C. Where's; They're

阿苯达唑治疗细粒棘球蚴病的适应症是()

A.多发性细粒棘球蚴病

B.多发性包囊且不易手术摘除

C.摘除术后复发者且不能再次手术者

D.摘除术前预防原头蚴播散

E.早期发现且囊小壁薄者