The book shows in poor light the execrable regime of corruption, falsehood and destruction of institutions by the ruler.

Answer: Option C

Exhaustive : including or considering all elements or aspects; fully comprehensive.
Deplorable : deserving strong condemnation; completely unacceptable.
Abominable : very bad; terrible.
Continuous : forming an unbroken whole; without interruption.
Execrable : extremely bad or unpleasant.

Synonym of Execrable is Abominable