This is blatant injustice done to him.

Answer: Option D

Conceited : excessively proud of oneself; vain.
Contorted : twisted or bent out of the normal shape.
Obvious : easily perceived or understood; clear, self-evident, or apparent.
Flagrant : (of an action considered wrong or immoral) conspicuously or obviously offensive.
Blatant : (of bad behaviour) done openly and unashamedly.

Synonym of Blatant is Flagrant