A Fetal Ultrasound Demonstrates a Cardiac Anomaly in a 22-Week

A fetal ultrasound demonstrates a cardiac anomaly in a 22-week fetus.The mother says,"My baby is sick,all because I insisted on having a cup of coffee last week." Which statement by the nurse is most appropriate?

A) "Caffeine is a stimulant and impacts the baby by speeding up the heartbeat and increasing activity,which can result in metabolic problems."
B) "The fetal heart is beating and pumping blood by 4 weeks and is fully formed by 8 weeks,so your actions last week did not affect your baby's heart."
C) "What's done is done and can't be undone,but try to follow the doctor's advice from this point onward in your pregnancy."
D) "Drinking coffee doesn't cause any problem for the fetus,so don't feel bad about what you did last week."