Pick out the most effective pair of words from the given options to make the sentence meaningfully complete.
The Prison guards degraded themselves with their _____ and _____ treatment of the prisoners.
- AOption (a)
differential/regal
- BOption (b)
cavern/fantabulous
- COption (c)
surreptitious/overt
- DOption (d)
inhumane/ignominious
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Correct answer
differential/regal
