I think that the correct option is C: the role of the idiom in this sentence is to explain that bad habits are creating a bad financial situation.
An idiom may be defined as a figure of speech established by usage that has a meaning not necessarily deductible from those of the individual words. Idioms are not always meant to be taken literally.
In this case, the idiom is explaining the cause of financial situation.
C. To explain that bad habits are creating a bad financial situation
Explanation:
In this sentence the role of the idiom is to explain the cause of financial situation.
The term idiom alludes to a set articulation or an expression including at least two words. An intriguing actuality in regards to the device is that the articulation isn't translated literally.
The expression is comprehended to mean something very unique in relation to what singular expressions of the expression would infer.
