句子改错SC-BMNY
出处: Manhattan-CAT-SC

Despite their numerous attempts to do so, scientists have not been able to sustain a controlled nuclear fusion reaction.
  • Atheir numerous attempts to do so, scientists have not been able to

  • Btheir numerous attempts to do it, scientists have not been able to

  • Cthem numerously attempting to do so, scientists have not been able to

  • Dtheir numerously attempting to do so, scientists cannot

  • Etheir numerous attempt to do so, scientists were not able to

显示答案
正确答案:A
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