The Number of Babies Born Per Woman in China, Taiwan

The number of babies born per woman in China, Taiwan, South Korea and several other countries:

A) has risen to twice the level needed to replace the population
B) has fallen considerably below the level needed to replace the population
C) is right at the level needed to replace the population
D) cannot be determined because of the unavailability of birth data
E) is just about right for economic growth and stability