China began to open to the outside world in the late 1970s. _________, there have been great changes in the country.
对西方某一美术流派有这样的批判:它看不到未来,常常把希望寄托在空想的世界里,因而与生活脱节,在把未来理想化的同时,有时也导致艺术家走向悲观的道路。据此推断这一流派是( )