GMAT Sentence Correction

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Source: PREP

Level: 4

As a result of a supernova explosion, every human being on Earth was bombarded on February 23, 1987, by about 100 billion neutrinos; fortunately, neutrinos are harmless elementary particles that are produced in nuclear reactions and that interact very weakly with matter.

  • A neutrinos are harmless elementary particles that are produced in nuclear reactions and that
  • B neutrinos, which are harmless, are elementary particles produced in nuclear reactions and which
  • C neutrinos are harmless elementary particles produced in nuclear reactions and which
  • D these harmless elementary particles are produced in nuclear reactions, and neutrinos
  • E these elementary particles, harmless products of nuclear reactions, are neutrinos that

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