Which best describes how deng’s move to work with international experts on matters of science and technology was a major departure from previous government policy in china? china had had a policy of self-reliance. china had refused to embrace modern technology. china had established local teams of experts. china had been closed to most foreigners.

The correct answer is : China had been closed to most foreigners.

Deng opened China to foreign investment, the global market and limited private competition. He is credited with the development of China in one of the fastest growing economies in the world for more than 30 years and the rising standard of living of hundreds of millions of Chinese.

china had been close to most foreigners

Explanation:

the answers are 1 and 4

a is correct

hope this let me know if it is right