A和B均为短周期元素，它们的离子A^-和B²⁺具有相同的核外电子层结构。下面说法正确的是

A．原子序数为A > B

B．核外电子数为A > B

C．原子半径A > B

D．离子半径 A^- > B²⁺

"Shanghai's students have been _____ to a lot of foreign culture. They may soon go beyond the stage of

worshipping (崇拜) other cultures and return to their own," Gu Xiaoming said. [ ]

A. linked

B. attended

C. assessed

D. exposed