Select the most appropriate idiom for the highlighted segment in the following sentence.
The arrival of Pragati in the house brought disharmony among the family members.

Correct option is C

Option (c) is the correct meaning of the given idiom "Rift in the lute."
Rift in the lute: A small problem or disagreement that has the potential to become much bigger.
Meaning in context: The arrival of Pragati caused discord in the family.
Example: The rift in the lute between the partners eventually led to the dissolution of their business.
Example2: A small misunderstanding created a rift in the lute, affecting their friendship.