Correct option is B
The correct option to fill in the blank is (b) "disharmony."
"
Disharmony" refers to a lack of harmony or agreement, which fits perfectly in describing the sensed relationship issues between the husband and wife. ( असामंजस्य)
Example: There was an obvious disharmony in their interactions at the party, which did not go unnoticed by the guests.
Other options are incorrect:
·
Jangling generally refers to a harsh, discordant sound and is less applicable to relationships.
·
Raucous describes loud and harsh noises, not suitable for the subtle nuances of personal relationships.
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Tunelessness relates to a lack of musical melody, inappropriate in this context.