Some people just cannot compromise where truth is concerned.

Answer: Option A

adjust : adapt or become used to a new situation.
intransigence : refusal to change one's views or to agree about something.
yield : produce or provide (a natural, agricultural, or industrial product).
conciliate : stop (someone) being angry or discontented.
compromise : an agreement or settlement of a dispute that is reached by each side making concessions.

Synonym of compromise is adjust