When the lady entered the house, she found everything was at sixes and sevens. (Meaning of the idiom)

Correct option is C

"At sixes and sevens" means in a state of disorder or confusion. The idiom aptly describes situations where things are chaotic or not arranged properly.
Information Booster:
1. Originates from an old dice game, symbolizing recklessness.
2. Often used to depict physical or emotional disarray.
3. Suitable for informal and narrative contexts.
4. Indicates a lack of organization or preparation.
Additional Information:
· (a) Up-to-date: Suggests being current, irrelevant here.
· (b) In order, set properly: Opposite of the idiom’s meaning.
· (d) Full of aroma: Refers to smell, not organization.