A.5 B.8 C.7 D.15
A.9 B.8 C.7 D.15
A.買入恒生指數(shù)期權(quán)的認(rèn)購期權(quán) B.賣出恒生指數(shù)期權(quán)的認(rèn)購期權(quán) C.買入恒生指數(shù)期權(quán)的認(rèn)沽期權(quán) D.賣出恒生指數(shù)