腰椎管狭窄症病人出院后应坚持戴围腰活动（）

A.1个月

B.2个月

C.3个月

D.4个月

E.5个月

When Justin didn’t ____ for lunch the next day, Mrs Foster became worried and called the police.

A．give up

B．show up

C．make up

D．stay up