Which Statement Indicates That Teaching Has Been Effective

Which statement indicates that teaching has been effective?

A) "Because I have toxoplasmosis, my baby might be born with an abnormally long body."
B) "The rubella infection I experienced in my second trimester may lead me to become deaf."
C) "My baby may develop a serious blood infection because I have group B strep in my vagina."
D) "My 8-year-old's parvovirus infection won't affect my baby because I am four months along."