Which sentence uses an antonym clue to help the reader determine the meaning of the underlined word?

A. The former king was adored by the people for his reasonable decisions, but the new king was disliked for his arbitrary decisions.
B. After the thieves were arrested, the police...
C. Though the team was usually friendly after...
D. The lead actor's impulsive behavior, making up lines that weren't in the script, caused the director to recast the role.