Which of the following statements about moneyness is FALSE When:()

A. S - X ＞ 0, a call option is in-the-money. 

B. S -X = 0, a call option is at-the-money. 

C. S - X ＞ 0, a put option is in-the-money.

禁止把氧气瓶及（）放在一起运送，也不准与易燃物品或装有可燃气体的容器一起运送。

A．SF6气瓶

B．乙炔瓶

C．氮气瓶