A mother with B blood group has two children, one with A blood group and other with O blood group. Her husband has O blood group .The correct sentence regarding the above data is the
A. Husband is not the father of both the children
B. Husband is the father of both the children
C. Husband must be father of child with O blood group and may be father of child with A blood group
D. Husband could be the father of child with O blood group but not the father of child with A blood group