Select the most appropriate meaning of the highlighted idiom in the given sentence.
The apple of discord among the brothers was their father’s mansion in the country.

Correct option is A

The correct meaning of the idiom "the apple of discord" in the given sentence is "reason for quarrel."
· "The apple of discord" refers to a thing or issue that causes strife or contention among people, stemming from the myth of the golden apple in Greek mythology labeled "for the fairest" that led to a dispute among goddesses and eventually to the Trojan War.
· Example: The inheritance became the apple of discord among the siblings, similarly using the idiom to describe a source of conflict.
· Other options:
· (b) "hopeful attention," (c) "sincere affection," and (d) "fruitful discussion" do not correspond to the meaning of causing disputes.