问一道SAT2化学题
Which sample demonstrates particles arranged in a regular geometric pattern?
A CO2(g) B CO2(s) C CO2(l) D CO2(aq) E none of the above
我知道很基础啊,我觉得应该选B,不是固体才有规则几何形状吗?但是练习册上选的是A.我又是在正规书店买的正规书,就想确认一下.