Miss Zhang will never forget her first visit to Canada, _____?[ ]

A. will she

B. won't she

C. isn't she

D. wasn't she

关节置换术预防合并症的练习包括()

A．深呼吸练习

B．咳嗽练习

C．踝关节“泵”式往返练习

D．床上活动

E．下床活动