His statement: "Have the disbelievers been rewarded?" means: Have the disbelievers been recompensed for what they used to do? That is: They have been recompensed with the worst of rewards.
قَوْله: ﴿هَل ثوب الْكفَّار﴾ هَلْ جُوزِيَ الْكُفَّارُ؟ ﴿مَا كَانُوا يَفْعَلُونَ﴾ أَيْ: قَدْ جُوزُوا شَرَّ الْجَزَاءِ.
