单选题 —Would you like to come to dinner tonight?
—I'd like to, ______ I'm too busy.
  • A. but
  • B. if
  • C. and


【正确答案】 A
【答案解析】“我想去,但是我太忙”,前后为转折关系。A意为“但是”,B意为“如果”,C意为“并且”,故选A。