David studied hard before the examination, and it ______. He made an


  1. A.
    A. worked out
  2. B.
    marked out
  3. C.
    paid off
  4. D.
    got through
C
考查短語。據(jù)句意it代指戴維考前努力學(xué)習(xí)，他獲得A，應(yīng)是努力得到回報，所以選C,pay off意為回報。
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