The introduction of the Great Leap Forward policy in the Chinese film industry led to:. a. new emphasis on ethnic diversity.
b. realistic goals for the number of movies to be produced.
c. the establishment of national, rather than regional, production centers.
d. the frequent production of high-budget films.

c. the establishment of national, rather than regional, production centers.

Explanation:

The Great Leap Forward Policy was started by one of the most powerful politician of China, Mao Zedong. It took place in between the year 1958 to 1960. It was a plan to increase the economy of China. Mao launched this program and asked for collective agriculture cultivation and demanded the production of a single commodity to the farmers.

Mao emphasized the establishment of a national feeling by introducing such a plan. The movie makers were also asked to produce or make movies on nationalization rather than regional.

the answer to your question is,

d. when a child was born.

-mabel < 3