单选题 For many countries, being part of a global supply chain is like striking oil-oil that may never ______.
  • A. run out
  • B. work out
  • C. turn out
  • D. call out
【正确答案】 A
【答案解析】run out：用完，花光；work out：解答，解决，制定；turn out：生产，后来证明；call out：叫喊