Concept:Emphatic stress highlights the capitalised word as the new or corrected information in response to a question.Explanation:The stressed word is PROMOTED.This means the speaker is correcting another action mentioned in the question.The question must have the same subject, possessor, and time but a different verb.Option C asks: "Was John's father sacked yesterday?"The natural reply is: "No, John's father was PROMOTED yesterday."Therefore, the given sentence is the appropriate answer to option C.Answer:C. Was John's father sacked yesterday?