A:Ca:1s22s22p63s23p64s2
B:Mg2+:1s22s22p6
C:F﹣:1s22s22p5
D:Br:1s22s22p63s23p63d104s24p5
梁启超在评价清代学术时说:“(清代学术)实取前此二千余年之学术,倒卷而缫演之。如剥春笋,愈剥而愈近里”。从这观点中得出的正确结论是
The article written by the famous economist is really _______. None of us can understand it.