Most people in Britain believe that it's a good idea to save money and try to _____ being in debt. [ ]

A. forget

B. delay

C. avoid

D. escape

下列叙述正确的是[ ]

A. 水结冰后分子停止运动          

B. 氯化钠晶体由氯化钠分子构成  

C. 氢原子和氧原子保持水的化学性质

D. 氧化汞分子在化学变化中能够再分