Which of the following pieces of equipment would do best job to help prevent external rotation of the client’s right leg postoperatively

A. Sandbags.
B. A high footboard.
C. A rubber air ring.
D. A metal bed cradl

下列词语中，没有错别字的一组是(　　)

A．追溯　联袂　　　咏叹调　　　绿茸茸屡试不爽开源截流

B．更叠嗔怪　　贴标签　　马蹄莲忙里偷闲毋庸讳言

C．震撼遨游　　座右铭　　慢腾腾盲人摸象钟灵毓秀

D．敕造希冀　　试金石　　昧良心面目全非攻城掠地