If I'm free,  I'd like to spend _____ holiday in the country.[ ]

A. a two-day              

B. two-days'

C. two-day                

D. two-days

参松养心胶囊中包含的药物有（）

A.人参、麦冬、甘松

B.南五味子、山茱萸、黄连

C.酸枣仁（炒）、桑寄生、龙骨

D.黄精、党参、三七

E.丹参、赤芍、土鳖虫