单选题 Don't just stand by. Can't you lend a hand?
  • A. loan
  • B. offer
  • C. help
  • D. understand


【正确答案】 C
【答案解析】[解析] lend a hand等于offer a hand,是固定搭配,“帮忙”的意思;loan:贷款;help:帮助;understand:理解。