下列变化中属于化学变化的是（　　）

A．浓盐酸在空气中敞口放置一段时间后，质量减少

B．用活性炭吸附毒气

C．工业上把石油分馏得到煤油、汽油、柴油等化工产品

D．用煮沸的方法将硬水软化

         that Marie was able to set up new branches elsewhere. [ ]

A. So successful her business was    

B. So was her successful business

C. So her business was successful    

D. So successful was her business