Q24:

Until the passage of the Piracy and Counterfeiting Amendments Act in 1982, a first-time charge of copyright infringement was merely a misdemeanor charge, federal prosecutors being unlikely in pursuing criminal copyright infringers, while offenders were subject to relatively small penalties.

1. charge, federal prosecutors being unlikely in pursuing criminal copyright infringers, while offenders were
2. charge, with federal prosecutors who were unlikely to pursue criminal copyright infringers, offenders being
3. charge, federal prosecutors unlikely to pursue criminal copyright infringers,（是逗号问题么） while offenders were
4. charge; therefore, federal prosecutors were unlikely in pursuing criminal copyright infringers and offenders being
5. charge; therefore, federal prosecutors were unlikely to pursue criminal copyright infringers, and offenders were

因为federal prosecutors unlikely to 这里缺了were，这段应该是一个完整的句子.