The Results of the Research by Hammen and Her Colleagues

The results of the research by Hammen and her colleagues comparing the long-term effects of maternal depression (MD) and maternal chronic illness (MCI) on children found that

A) rates of psychological disorder in both MD and MCI children were higher than in children of non-ill mothers, but MD and MCI children did not differ from each other.
B) rates of psychological disorder in both MD and MCI children were higher than in children of non-ill mothers and MD children had higher rates of psychological disorders than MCI children.
C) rates of psychological disorders were higher only for the MD children compared to the MCI children and children of non-ill mothers.
D) neither MD or MCI children differed from children of non-ill mothers in rates of psychological disorders.