Задание

𝘾𝙝𝙤𝙤𝙨𝙚 𝙩𝙝𝙚 𝙘𝙤𝙧𝙧𝙚𝙘𝙩 𝙤𝙥𝙩𝙞𝙤𝙣.
He is a university professor, ______ is hard to believe.

  • which
  • that
  • what