78. 一般常用吧檯發泡氮氣槍是為下列何者準備的?(A)奎寧水(Ton ic Water)(B)發泡鮮奶油(Whipped Crea m)(C)紅石榴糖漿(Grenadine Syrup)(D)荳蔻粉(Nutmeg Powder)