A:强酸性溶液中:Al3+、K+、Mg2+、Cl-、SO42-
B:PH=13的溶液中:Cl-,HCO3-,NO3-,NH4+
C:c(Fe3+)='0.1' mol·L-1的溶液中:Na+、SCN—、Cl-、Br-
D:强碱性溶液中:ClO-、SO42-、SO32-、Na+
____ ____ ____ did the boy eat for breakfast this morning?