单项选择题
A.简单立方点阵B.简单三方点阵C.简单六方点阵D.面心六方点阵
A.1s22s22p63s23p63d64s2B.1s22s22p63s23p63d74s1C.1s22s22p63s23p63d8D.1s22s22p63s23p63d84s2