The first-born infant of an Rh-negative 26 year old woman, who had two previous……

The first-born infant of an Rh-negative 26 year old woman, who had two previous second trimester abortions, has severe haemolysis and circulatory failure. This most likely could have been prevented by treating the mother with:
A. a combination of IgG and IgM anti-D antibodies.
B. anti-D IgG during the mother’s most recent pregnancy.
C. anti-D IgG upon termination of each of the first two pregnancies.
D. anti-D IgM during the mother’s most recent pregnancy.
E. anti-D IgM upon termination of her first pregnancy