What Are the Expected Effects of Moderate,rather Than Heavy,drinking During

What are the expected effects of moderate,rather than heavy,drinking during pregnancy

A)  Even normal social drinking by the expectant mother may be harmful to the fetus. 
B)  Most doctors recommend small amounts of alcohol throughout pregnancy. 
C)  Three drinks per day can be considered a safe level of alcohol consumption for most pregnant women. 
D)  Alcohol consumption by the mother poses almost no risk to the developing fetus in the last three months of the pregnancy.