单项选择题

A.Fe3+>Al3+>Ca2+>Mg2+>K+>Na+>H+
B.H+>Fe3+>Al3+>Ca2+>Mg2+>K+>Na+
C.Fe3+>Al3+>Ca2+>Mg2+>H+>Na+>K+
D.H+>Na+>K+>Mg2+>Ca2+>Al3+>Fe3+