Unlike Most Third World Countries, China Responded to Its Population

Unlike most third world countries, China responded to its population problem in the mid-1960s by

A) accepting UN proposals for birth control programs.
B) limiting urban couples to two children and rural couples to one.
C) refusing to adopt any birth control programs in order to foster more communist children.
D) allowing unrestricted births among the peasantry, but limiting urban couples to one child.