Although China has lifted its "one child" policy, it has not seen a sustained spike in the number of second births in most families. This is because

Choose one:

A$.$ religious beliefs promote smaller families.

B$.$ the Chinese government regulation imposes a strict cap on the number of people who may live in an apartment or house based on square footage of living space.

C$.$ a certain lifestyle has been developed that is financially centered around having only one child. Adding a second child would disrupt this standard of living, so is deemed too expensive by most.

D$.$ couples are trying to have more children, but are unable to conceive.