Question

which best describes how dengs 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.

Explanation:

Before Deng's move, China had a policy of self - reliance. Working with international experts was a departure from this as it involved external collaboration. China did not refuse modern technology (it had some internal efforts), establishing local teams was not the key contrast (the contrast was with international), and being closed to most foreigners is too broad (the focus is on science and technology policy departure).

Answer:

China had had a policy of self - reliance.