单选题China’s economic reform is aimed at separating enterprises from the government. It has been implemented for almost 20 years, but breakthroughs ______ .Ahave been made yetBhave yet to makeChave yet to be madeDto have yet made
单选题
China’s economic reform is aimed at separating enterprises from the government. It has been implemented for almost 20 years, but breakthroughs ______ .
A
have been made yet
B
have yet to make
C
have yet to be made
D
to have yet made
参考解析
解析：
根据句意可知“改革还没有取得突破”，而且应为被动关系，由此可得出C项正确。
根据句意可知“改革还没有取得突破”，而且应为被动关系，由此可得出C项正确。
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