单选题 An overseas market with a great growth potential is not easy to______.
  • A. break down
  • B. break up
  • C. break through
  • D. break into
【正确答案】 D
【答案解析】break down：克服，打破，出毛病，情绪失控，分解；break up：分手，拆散；break through：突破；break into：突然进入某种状态，艰难进入