单选题 Although US new home sales begin to ______ speed, the rate is still near historical lows.
  • A. turn up
  • B. pick up
  • C. set up
  • D. break up
【正确答案】 B
【答案解析】[解析] turn up：出现，发生；pick up：接，取，捡起，偶然学会，增加(pick up speed加速)；setup：建立，制订计划，支起；break up：分手，拆散