At last they managed to repair the telephone,

Read the passage underlined (5). there may be a mistake in punctuation, capitalization, or spelling. if you find a mistake, choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’ a) correct as is. b) trivial etiquette violations that blown out of proportion c) trivial etiquette violations that were blew out of proportion d) trivial etiquette violations that were blown out of proportion