单选题 Although we had told them not to keep us waiting, they made no ______ to speed up deliveries.
  • A. trial
  • B. attempt
  • C. action
  • D. progress
【正确答案】 B
【答案解析】句意：虽然已告诉他们不要让我们久等，他们丝毫没有加快送货的意思。make an attempt to do sth. 试图，尝试。make progress取得进步。