患者喘咳痰多，短气，胸膈满闷，腰疼脚软，肢体浮肿，舌苔白滑，脉弦滑，治宜选用()

A.小青龙汤

B.麻杏石甘汤

C.止嗽散

D.苏子降气汤

E.定喘汤

Mrs. Johnson, our neighbor, often ______ the dog in the park after supper.

A．watches

B．takes

C．keeps

D．walks