Select the most appropriate meaning of the highlighted idiom in the given sentence.
Every piece of furniture in her house is in apple-pie order.

Correct option is C

Idiom Meaning:
“In apple-pie order” means perfectly neat and organized.
Correct Answer: (c) Very neatly arranged
Example Sentence:
The files on her desk were always in apple-pie order.
Idioms similar to "apple pie order" (meaning perfect order or neatness) include:
Neat as a pin, shipshape, spick and span, prim and proper, in tip-top shape.