26. When the mother contracts German measles during the first trimester of pregnancy, ----.
A) it is impossible to repair intracardiac defects while the heart is still pumping
B) the same defect has been known to occur in identical twins and in succeeding generations
C) congenital defects of the heart are also associated with other congenital defects of the
D) these complications may affect only the pregnant woman or both the woman and the foetus
E) this often causes the development of heart defects in the foetus