请问gwd28-24中的while是表示同时还是虽然

kevinjpcn

gwd28-24

28-24: 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. A: charge, federal prosecutors being unlikely in pursuing criminal copyright infringers, while offenders were B: charge, with federal prosecutors who were unlikely to pursue criminal copyright infringers, offenders being C: charge, federal prosecutors unlikely to pursue criminal copyright infringers, while offenders were D: charge; therefore, federal prosecutors were unlikely in pursuing criminal copyright infringers and offenders being E: charge; therefore, federal prosecutors were unlikely to pursue criminal copyright infringers, and offenders were

此题给的答案是E。
我想请教一下，此题A中的while是表示同时还是虽然啊？我看不出来。