Question

thousands of flags waved, adding their discordant national anthems to the racket. source: harry potter and the goblet of fire in the sentence above, discordant has the same or almost the same meaning as: inharmonious indifferent nonviable nonessential

Explanation:

"Discordant" means lacking harmony or agreement. "Inharmonious" has a similar meaning, referring to a lack of harmony. "Indifferent" means having no particular interest or concern. "Nonviable" means not capable of working successfully. "Nonessential" means not absolutely necessary.

Answer:

A. inharmonious