Which of the following three groups of literal translations are all correct and acceptable in Chinese?
A、sour grape  酸葡萄
armed to the teeth 武装到牙齿
eat one’s words 食言
B、packed like sardines 挤得像沙丁鱼罐头
a castle in the air   空中楼阁
Walls have ears. 隔墙有耳。
C、as busy as a bee 忙得像蜜蜂一样
Strike the iron while it’s hot. 趁热打铁。
She came and threw a wet blanket on our party. 她来参加我们的派对，真是扔了条湿毯子。
D、/