As a result of China's one-child policy,
a. The population of China has stabilized.
b. A significant number of girl babies are missing.
c. Women have achieved full gender equity in China.
d. Lingering Confucian values have finally been rooted out.
As a result of China's one-child policy, "b. A significant number of girl babies are missing," since there is a general bias against girls in China, which is slow to be remedied.