Which statement best explains the development of communism in China?


After World War II, China’s economy prospered under the Nationalist government.

The success of the Great Leap Forward convinced intellectuals to support communism.

After World War II, a civil war broke out in China between the Nationalist Party and the Chinese Communist Party.

The US-backed the spread of communism throughout Asia.

Which one? a,b,c, or d? I just need a simple answer.