Select the most appropriate meaning of the given idiom.
Radhika stood by Monica’s side through thick and thin.

Correct option is C

Option (c) is the correct meaning of the given idiom.
Given Idiom: "Through thick and thin" means under all circumstances, whether favorable or unfavorable (Hindi: हर स्थिति में).
Example: She has always supported her brother through thick and thin, even during his toughest times.
Meanings of Other Options:
· (a): Refers only to easy situations, which is incorrect.
· (b): Limits the idiom to happy moments, which is not true.
· (d): Refers to specific moments, which does not match the idiom's meaning.