Answer:
B. live in rural areas
Step-by-step explanation:
China's one child policy was a government program that's aimed to control the population In China. But this policy was only strictly enforced in the cities.
In rural area, most of the economic activities revolved around agriculture. So, men generally more favored as workers in rural areas due to their physical strength.
This was the reason why China implemented a special exception for the people in rural areas. Families in rural areas of China were allowed to have a second children if their first born was a girl.